footling vs piddling

footling and piddling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
footling	No	Yes	No	No
piddling	No	Yes	No	No

As adjectives, footling and piddling are synonyms defined as:

Other synonyms of footling include fiddling, lilliputian, little, niggling, petty, picayune, piffling, trivial.

footling (adjective)	piddling (adjective)
(informal) small and of little importance	(informal) small and of little importance