fiddle vs scrimshank

fiddle is a noun but scrimshank is not a noun.

Word	Noun	Adjective	Verb	Adverb
fiddle	Yes	No	Yes	No
scrimshank	No	No	Yes	No

As verbs, scrimshank is a hyponym of fiddle; that is, scrimshank is a word with a more specific, narrower meaning than fiddle:

Other hyponyms of fiddle include malinger, skulk, slack.

fiddle (noun)	scrimshank (noun)
bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow

fiddle (verb)	scrimshank (verb)
try to fix or mend	avoid work
manipulate manually or in one's mind or imagination
play around with or alter or falsify, usually secretively or dishonestly
play the violin or fiddle
play on a violin
commit fraud and steal from one's employer
avoid (one's assigned duties)