ostentate vs show off

ostentate and show off both are verbs.

Word	Noun	Adjective	Verb	Adverb
ostentate	No	No	Yes	No
show off	No	No	Yes	No

As verbs, ostentate and show off are synonyms defined as:

ostentate and show off: display proudly; act ostentatiously or pretentiously

Other synonyms of ostentate include flash, flaunt, swank.

ostentate (verb)	show off (verb)
display proudly; act ostentatiously or pretentiously	display proudly; act ostentatiously or pretentiously