The word substitute can be a verb and a noun.
The verb form means to use something in place of something else.
The noun form is a replacement for something which does a similar thing.
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
Oppose is a verb.
An adjective modifies a noun or noun substitute by providing more information about its characteristics or qualities.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
glottal stop
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.