acrocarpous moss vs acrocarp

acrocarpous moss and acrocarp both are nouns.

Word	Noun	Adjective	Verb	Adverb
acrocarpous moss	Yes	No	No	No
acrocarp	Yes	No	No	No

As nouns, acrocarpous moss and acrocarp are synonyms defined as:

acrocarpous moss and acrocarp: a moss in which the main axis is terminated by the archegonium (and hence the capsule)

acrocarpous moss (noun)	acrocarp (noun)
a moss in which the main axis is terminated by the archegonium (and hence the capsule)	a moss in which the main axis is terminated by the archegonium (and hence the capsule)