highfalutin vs highfaluting

highfalutin and highfaluting both are adjectives.

Word	Noun	Adjective	Verb	Adverb
highfalutin	No	Yes	No	No
highfaluting	No	Yes	No	No

As adjectives, highfalutin and highfaluting are synonyms defined as:

highfalutin and highfaluting: affectedly genteel; to carry an air of affected importance; to be snobbish and haughty

Other synonyms of highfalutin include grandiose, hifalutin, hoity-toity, la-di-da.

highfalutin (adjective)	highfaluting (adjective)
affectedly genteel; to carry an air of affected importance; to be snobbish and haughty	affectedly genteel; to carry an air of affected importance; to be snobbish and haughty