groundkeeper vs groundsman

groundkeeper and groundsman both are nouns.

Word	Noun	Adjective	Verb	Adverb
groundkeeper	Yes	No	No	No
groundsman	Yes	No	No	No

As nouns, groundkeeper and groundsman are synonyms defined as:

groundkeeper and groundsman: someone who maintains the grounds (of an estate or park or athletic field)

Other synonyms of groundkeeper include groundskeeper.

groundkeeper (noun)	groundsman (noun)
someone who maintains the grounds (of an estate or park or athletic field)	someone who maintains the grounds (of an estate or park or athletic field)