Infection vs Poisoning

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

Infection

Top 1,000 (very common)B2noun

Poisoning

Top 3,000 (common)
Most common: Infection
 InfectionPoisoning
Pronunciation🇬🇧 /["/ɪnˈfekʃn/"]/🇺🇸 /["/ɪnˈfekʃn/"]/🇬🇧 //ˈpɔɪ.zən.ɪŋ//🇺🇸 //ˈpɔɪ.zən.ɪŋ//
MeaningWhen germs or bacteria get into the body and make you sick.Making someone sick or causing harm by giving them harmful substances.
ExampleThe doctor confirmed that the patient had a bacterial infection in his lungs.The poisoning of the town's water supply caused widespread illness.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 3,000 (common)
CEFR levelB2-
Part of speechnoun
Collocationsnasty, serious, severe, have, suffer, suffer from, develop, occur, spread, in infection, infection from, infection through, a cause of infection, the onset of infection, resistance to infection, nasty, serious, severe, have, suffer, suffer from, develop, occur, spread, in infection, infection from, infection through, a cause of infection, the onset of infection, resistance to infectionfood poisoning, intentional poisoning, chemical poisoning
Antonymshealth, wellnesshealing, curing
Common mistakesConfused with 'inflection' (change in speech), Using 'infection' to refer to non-medical situations, Incorrectly stating a person is an 'infection' instead of having an 'infection'Mixing up 'poisoning' with 'pollution'., Using 'poisoning' incorrectly as a verb instead of noun., Confusing 'poisoning' with 'intoxication'.
Usage notesUse 'infection' in medical or health contexts. It's appropriate for conversations with healthcare professionals or when discussing illnesses. Avoid using it in casual or non-serious discussions.Use 'poisoning' in contexts related to health, safety, or crime. Avoid in casual conversation unless discussing related topics.

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Infection
Poisoning

Frequently asked questions: Infection vs Poisoning

What's the difference between Infection and Poisoning?

Infection: When germs or bacteria get into the body and make you sick. Poisoning: Making someone sick or causing harm by giving them harmful substances.

Which is more common: Infection and Poisoning?

Infection is the most common in everyday English.

Can you show an example of each?

Infection: The doctor confirmed that the patient had a bacterial infection in his lungs. Poisoning: The poisoning of the town's water supply caused widespread illness.

Can I use Infection and Poisoning interchangeably?

Not always. Infection and Poisoning 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.

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