tiff vs bickering

tiff and bickering both are nouns.

Word	Noun	Adjective	Verb	Adverb
tiff	Yes	No	No	No
bickering	Yes	No	No	No

As nouns, tiff and bickering are synonyms defined as:

Other synonyms of tiff include bicker, fuss, pettifoggery, spat, squabble.

tiff (noun)	bickering (noun)
a quarrel about petty points	a quarrel about petty points