task vs shitwork

task and shitwork both are nouns.

Word	Noun	Adjective	Verb	Adverb
task	Yes	No	Yes	No
shitwork	Yes	No	No	No

As nouns, shitwork is a hyponym of task; that is, shitwork is a word with a more specific, narrower meaning than task:

task: a specific piece of work required to be done as a duty or for a specific fee
shitwork: trivial, unrewarding, tedious, dirty, and disagreeable chores

Other hyponyms of task include ball-breaker, ball-buster, stint, scut work.

task (noun)	shitwork (noun)
a specific piece of work required to be done as a duty or for a specific fee	trivial, unrewarding, tedious, dirty, and disagreeable chores
any piece of work that is undertaken or attempted

task (verb)	shitwork (verb)
use to the limit
assign a task to