old-time vs quaint

old-time and quaint both are adjectives.

Word	Noun	Adjective	Verb	Adverb
old-time	No	Yes	No	No
quaint	No	Yes	No	No

As adjectives, old-time and quaint are synonyms defined as:

old-time and quaint: attractively old-fashioned (but not necessarily authentic)

Other synonyms of old-time include olde worlde.

old-time (adjective)	quaint (adjective)
attractively old-fashioned (but not necessarily authentic)	attractively old-fashioned (but not necessarily authentic)
	strange in an interesting or pleasing way
	very strange or unusual; odd or even incongruous in character or appearance