Cork vs Plug

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

Cork

Top 5,000 (fairly common)

Plug

Top 1,000 (very common)C1verb
Most common: Plug
 CorkPlug
Pronunciation🇬🇧 //kɔːk//🇺🇸 //kɔrk//🇬🇧 /["/plʌɡ/","/plʌɡz/","/plʌɡd/","/ˈplʌɡɪŋ/"]/🇺🇸 /["/plʌɡ/","/plʌɡz/","/plʌɡd/","/ˈplʌɡɪŋ/"]/
MeaningA stopper for a bottle made from cork oak.A piece that connects something to a power source or an opening.
ExampleHe used a cork to seal the wine bottle after opening it.He plugged the hole in the pipe with an old rag.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR level-C1
Part of speechverb
Collocationscork stopper, wine cork, cork board, cork materialplug into, plug in, power plug, guitar plug
Antonyms-unplug, disconnect
Common mistakesConfused with 'corked', which refers to the effect of wine spoiled by cork., Using 'cork' when referring to materials like synthetic stoppers instead., Mixing up 'cork' with unrelated words like 'core'.Confused with 'unplug' which means to disconnect., Using it in a metaphorical sense without context., Mixing up physical plugs and software terms like 'plug-in.'
Usage notesCommonly used to seal wine bottles. Less appropriate in formal contexts when discussing materials or manufacturing.Use 'plug' when discussing electrical devices or connections. It is informal for situations like asking someone to 'plug' a product in a conversation.

See it in real clips

Cork

Frequently asked questions: Cork vs Plug

What's the difference between Cork and Plug?

Cork: A stopper for a bottle made from cork oak. Plug: A piece that connects something to a power source or an opening.

Which is more common: Cork and Plug?

Plug is the most common in everyday English.

Can you show an example of each?

Cork: He used a cork to seal the wine bottle after opening it. Plug: He plugged the hole in the pipe with an old rag.

Can I use Cork and Plug interchangeably?

Not always. Cork and Plug 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.

Related comparisons