stand firm vs stand pat

stand firm and stand pat both are verbs.

Word	Noun	Adjective	Verb	Adverb
stand firm	No	No	Yes	No
stand pat	No	No	Yes	No

As verbs, stand firm and stand pat are synonyms defined as:

Other synonyms of stand firm include hold firm, stand fast.

stand firm (verb)	stand pat (verb)
refuse to abandon one's opinion or belief	refuse to abandon one's opinion or belief
stand up or offer resistance to somebody or something