plantsman vs horticulturist

plantsman and horticulturist both are nouns.

Word	Noun	Adjective	Verb	Adverb
plantsman	Yes	No	No	No
horticulturist	Yes	No	No	No

As nouns, plantsman and horticulturist are synonyms defined as:

plantsman and horticulturist: an expert in the science of cultivating plants (fruit or flowers or vegetables or ornamental plants)

plantsman (noun)	horticulturist (noun)
an expert in the science of cultivating plants (fruit or flowers or vegetables or ornamental plants)	an expert in the science of cultivating plants (fruit or flowers or vegetables or ornamental plants)