diddlysquat vs diddlyshit

diddlysquat and diddlyshit both are nouns.

Word	Noun	Adjective	Verb	Adverb
diddlysquat	Yes	No	No	No
diddlyshit	Yes	No	No	No

As nouns, diddlysquat and diddlyshit are synonyms defined as:

Other synonyms of diddlysquat include diddley, diddly-shit, diddly-squat, diddly, doodly-squat, jack, shit, squat.

diddlysquat (noun)	diddlyshit (noun)
a small worthless amount	a small worthless amount