strainer vs colander

strainer and colander both are nouns.

Word	Noun	Adjective	Verb	Adverb
strainer	Yes	No	No	No
colander	Yes	No	No	No

As nouns, colander is a hyponym of strainer; that is, colander is a word with a more specific, narrower meaning than strainer:

strainer: a filter to retain larger pieces while smaller pieces and liquids pass through
colander: bowl-shaped strainer; used to wash or drain foods

Other hyponyms of strainer include cullender, screen, sieve, tea-strainer.

strainer (noun)	colander (noun)
a filter to retain larger pieces while smaller pieces and liquids pass through	bowl-shaped strainer; used to wash or drain foods