bound form vs bound morpheme

bound form and bound morpheme both are nouns.

Word	Noun	Adjective	Verb	Adverb
bound form	Yes	No	No	No
bound morpheme	Yes	No	No	No

As nouns, bound form and bound morpheme are synonyms defined as:

bound form and bound morpheme: a morpheme that occurs only as part of a larger construction; eg an -s at the end of plural nouns

bound form (noun)	bound morpheme (noun)
a morpheme that occurs only as part of a larger construction; eg an -s at the end of plural nouns	a morpheme that occurs only as part of a larger construction; eg an -s at the end of plural nouns