Aid vs Assist vs Boost vs Facilitate vs Help vs Support

When to use each in English, with meaning, register, and examples.

Aid

Top 1,000 (very common)B2noun

Assist

Top 1,000 (very common)B1verb

Boost

Top 1,000 (very common)B2verb

Facilitate

Top 2,000 (common)C1verb

Help

Top 1,000 (very common)A1verb

Support

Top 1,000 (very common)A2verb
 AidAssistBoostFacilitateHelpSupport
Pronunciation🇬🇧 /["/eɪd/"]/🇺🇸 /["/eɪd/"]/🇬🇧 /["/əˈsɪst/","/əˈsɪsts/","/əˈsɪstɪd/","/əˈsɪstɪŋ/"]/🇺🇸 /["/əˈsɪst/","/əˈsɪsts/","/əˈsɪstɪd/","/əˈsɪstɪŋ/"]/🇬🇧 /["/buːst/","/buːsts/","/ˈbuːstɪd/","/ˈbuːstɪŋ/"]/🇺🇸 /["/buːst/","/buːsts/","/ˈbuːstɪd/","/ˈbuːstɪŋ/"]/🇬🇧 /["/fəˈsɪlɪteɪt/","/fəˈsɪlɪteɪts/","/fəˈsɪlɪteɪtɪd/","/fəˈsɪlɪteɪtɪŋ/"]/🇺🇸 /["/fəˈsɪlɪteɪt/","/fəˈsɪlɪteɪts/","/fəˈsɪlɪteɪtɪd/","/fəˈsɪlɪteɪtɪŋ/"]/🇬🇧 /["/help/","/helps/","/helpt/","/ˈhelpɪŋ/"]/🇺🇸 /["/help/","/helps/","/helpt/","/ˈhelpɪŋ/"]/🇬🇧 /["/səˈpɔːt/","/səˈpɔːts/","/səˈpɔːtɪd/","/səˈpɔːtɪŋ/"]/🇺🇸 /["/səˈpɔːrt/","/səˈpɔːrts/","/səˈpɔːrtɪd/","/səˈpɔːrtɪŋ/"]/
MeaningHelp or support someone.To help someone with something.to increase or improve somethingTo make a process easier or help someone do something.to make it easier for someone to do somethingTo give help or assistance.
ExampleThe organization provided aid to the victims of the natural disaster.I will assist you with your homework tonight.to boost exports/profitsThe new trade agreement should facilitate more rapid economic growth.Can you help me with my homework?I want to support my friends in their endeavors.
RegisterNeutralNeutralNeutralNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)Top 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelB2B1B2C1A1A2
Part of speechnounverbverbverbverbverb
Collocationsemergency, humanitarian, cash, appeal for, call for, extend, agency, worker, budget, ask for, enlist, come to somebody’s, in aid of, with the aid of, without the aid of, effective, essential, useful, aid togreatly, materially, ably, be designed to, in, withconsiderably, dramatically, greatly, help (to), togreatly, further, be designed to, help (to)a lot, a bit, a little, be able to, can, be unable to, across, into, out of, help somebody to their feet, a way of helping, considerably, dramatically, enormously, be designed to, in, a lot, a bit, a little, be able to, can, be unable to, across, into, out of, help somebody to their feet, a way of helpingoverwhelmingly, fervently, fully, agree to, pledge to, promise to, in, be well supported, be widely supported, support and encourage somebody/​something, overwhelmingly, fervently, fully, agree to, pledge to, promise to, in, be well supported, be widely supported, support and encourage somebody/​something, financially, generously, partially, help (to), through, financially, generously, partially, help (to), through, strongly, weakly, adequately, appear to, seem to, tend to, be supported by data, be supported by evidence, be well supported
Antonymshinder, obstruct, neglecthinder, impede, obstructdecrease, diminish, reducehinder, obstruct, impedehinder, obstruct, delayoppose, hinder, neglect
Common mistakesConfused with 'aide', which refers to a helper or assistant., Omitting the object, as in saying 'She aids' instead of 'She aids the students.', Using 'aid' as a noun without a clear context, such as 'I need aid' without specifying.Using 'assist' without an object (e.g., 'I assist.' should be 'I assist you.')., Confusing 'assist' with 'resist' due to similar spelling., Incorrectly using 'assist' in a passive sentence without context.Confused with 'boast' – they have different meanings., Using 'boost' with uncountable nouns incorrectly., Confusing transitive use of 'boost' with intransitive.Confused with 'facilitate' and 'facilitator' - remember 'facilitate' is a verb., Using 'facilitate' without an object - always specify what you're making easier., Mispronouncing the word - ensure the emphasis is on the 'cil' part.Incorrectly saying 'help to me' instead of 'help me'., Using 'help' without an object (e.g., 'I need help' is correct, but 'I help' needs an object)., Confusing 'help' with 'assist' which has a more formal tone.Confused with 'supplement', which means to add to something., Using 'support' as a noun without clarification (e.g. 'She gave support' is vague)., Mixing up 'support' and 'oppose'.
Usage notesUse 'aid' in both formal and informal situations. Appropriate for discussing help in emergencies or support in education. Avoid in casual settings where simpler words like 'help' are preferred.Use 'assist' in places where help is provided. It is suitable for both written and spoken contexts, often used in professional settings. Avoid in casual conversations where simpler terms like 'help' may be preferred.Used in various contexts, such as improving performance or enhancing qualities. Avoid in highly formal contexts.Use 'facilitate' in professional or academic settings. It sounds formal, so avoid it in casual conversations. It’s appropriate when discussing meetings, projects, or learning environments.Used in both spoken and written English. Appropriate in most contexts where assistance is needed. Less formal contexts may use alternatives like 'give a hand.' Avoid using ‘help’ in overly formal writing.This word can be used in many contexts like emotional support, financial help, or supporting a cause. It's appropriate in both casual and formal contexts.

Frequently asked questions: Aid vs Assist vs Boost vs Facilitate vs Help vs Support

What's the difference between Aid, Assist, Boost, Facilitate, Help, and Support?

Aid: Help or support someone. Assist: To help someone with something. Boost: to increase or improve something Facilitate: To make a process easier or help someone do something. Help: to make it easier for someone to do something Support: To give help or assistance.

Which is more advanced: Aid, Assist, Boost, Facilitate, Help, and Support?

Facilitate is the highest level, at C1, on the CEFR scale.

Are Aid, Assist, Boost, Facilitate, Help, and Support the same CEFR level?

Aid: B2, Assist: B1, Boost: B2, Facilitate: C1, Help: A1, Support: A2 on the CEFR scale.

What part of speech are Aid, Assist, Boost, Facilitate, Help, and Support?

Aid: noun, Assist: verb, Boost: verb, Facilitate: verb, Help: verb, Support: verb.

Can you show an example of each?

Aid: The organization provided aid to the victims of the natural disaster. Assist: I will assist you with your homework tonight. Boost: to boost exports/profits Facilitate: The new trade agreement should facilitate more rapid economic growth. Help: Can you help me with my homework? Support: I want to support my friends in their endeavors.

Can I use Aid, Assist, Boost, Facilitate, Help, and Support interchangeably?

Not always. Aid, Assist, Boost, Facilitate, Help, and Support are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.