trouble vs bear upon

trouble is a noun but bear upon is not a noun.

Word	Noun	Adjective	Verb	Adverb
trouble	Yes	No	Yes	No
bear upon	No	No	Yes	No

As verbs, bear upon is a hypernym of trouble; that is, bear upon is a word with a broader meaning than trouble:

Other hypernyms of trouble include affect, bear on, impact, touch, touch on.

trouble (noun)	bear upon (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)	bear upon (verb)
cause bodily suffering to and make sick or indisposed	have an effect upon
disturb in mind or make uneasy or cause to be worried or alarmed
move deeply
to cause inconvenience or discomfort to
take the trouble to do something; concern oneself