trouble vs recrudesce

trouble is a noun but recrudesce is not a noun.

Word	Noun	Adjective	Verb	Adverb
trouble	Yes	No	Yes	No
recrudesce	No	No	Yes	No

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

Other hyponyms of trouble include break out, erupt.

trouble (noun)	recrudesce (noun)
an effort that is inconvenient
a source of difficulty
an event causing distress or pain
an angry disturbance
a strong feeling of anxiety
an unwanted pregnancy

trouble (verb)	recrudesce (verb)
cause bodily suffering to and make sick or indisposed	become raw or open
disturb in mind or make uneasy or cause to be worried or alarmed	happen
move deeply
to cause inconvenience or discomfort to
take the trouble to do something; concern oneself