homunculus vs small person

homunculus and small person both are nouns.

Word	Noun	Adjective	Verb	Adverb
homunculus	Yes	No	No	No
small person	Yes	No	No	No

As nouns, small person is a hypernym of homunculus; that is, small person is a word with a broader meaning than homunculus:

homunculus: a person who is very small but who is not otherwise deformed or abnormal
small person: a person of below average size

homunculus (noun)	small person (noun)
a person who is very small but who is not otherwise deformed or abnormal	a person of below average size
a tiny fully formed individual that (according to the discredited theory of preformation) is supposed to be present in the sperm cell