groom vs bridegroom

groom and bridegroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
groom	Yes	No	Yes	No
bridegroom	Yes	No	No	No

As nouns, groom and bridegroom are synonyms defined as:

As nouns, groom and bridegroom are synonyms defined as:

groom (noun)	bridegroom (noun)
a man who has recently been married	a man who has recently been married
someone employed in a stable to take care of the horses	a man participant in his own marriage ceremony
a man participant in his own marriage ceremony

groom (verb)	bridegroom (verb)
care for one's external appearance
give a neat appearance to
educate for a future role or function