proud vs gallant

proud is not a noun while gallant is a noun.

Word	Noun	Adjective	Verb	Adverb
proud	No	Yes	No	No
gallant	Yes	Yes	No	No

As adjectives, proud and gallant are synonyms defined as:

Other synonyms of proud include lofty, majestic.

proud (noun)	gallant (noun)
	a man who attends or escorts a woman
	a man who is much concerned with his dress and appearance

proud (adjective)	gallant (adjective)
feeling self-respect or pleasure in something by which you measure your self-worth; or being a reason for pride	unflinching in battle or action
having or displaying great dignity or nobility	being attentive to women like an ideal knight
	having or displaying great dignity or nobility
	lively and spirited