express emotion vs express feelings

express emotion and express feelings both are verbs.

Word	Noun	Adjective	Verb	Adverb
express emotion	No	No	Yes	No
express feelings	No	No	Yes	No

As verbs, express emotion and express feelings are synonyms defined as:

express emotion and express feelings: give verbal or other expression to one's feelings

express emotion (verb)	express feelings (verb)
give verbal or other expression to one's feelings	give verbal or other expression to one's feelings