The word rainbow is a noun. A rainbow is a multicoloured arch that appears in the sky.
Rainbows is a plural noun.
adjective
Can be a noun. For example, the rainbow is shaped like an arc.
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
Can be a noun. For example, the rainbow is shaped like an arc.
it was about jumping rainbow unicorns
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is work
what part of speech is beneath
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
Adjective
The word speech is a noun.
No, but it's part of a noun which the noun is the part of speech.