give vs happen

give is a noun but happen is not a noun.

Word	Noun	Adjective	Verb	Adverb
give	Yes	No	Yes	No
happen	No	No	Yes	No

As verbs, happen is a hypernym of give; that is, happen is a word with a broader meaning than give:

Other hypernyms of give include come about, fall out, go on, hap, occur, pass, pass off, take place.

give (noun)	happen (noun)
the elasticity of something that can be stretched and returns to its original length

give (verb)	happen (verb)
proffer (a body part)	come to pass
consent to engage in sexual intercourse with a man	come into being; become reality
occur	happen, occur, or be the case in the course of events or by chance
estimate the duration or outcome of something	come upon, as if by accident; meet with
dedicate	chance to be or do something, without intention or causation
convey or communicate; of a smile, a look, a physical gesture
convey, as of a compliment, regards, attention, etc.; bestow
bestow
give entirely to a specific person, activity, or cause
allow to have or take
manifest or show
guide or direct, as by behavior of persuasion
inflict as a punishment
accord by verdict
submit for consideration, judgment, or use
offer in good faith
give food to
propose
be flexible under stress of physical force
give or supply
bring about
organize or be responsible for
cause to happen or be responsible for
perform for an audience
present to view
move in order to make room for someone for something
break down, literally or metaphorically
transfer possession of something concrete or abstract to somebody
give as a present; make a gift of
leave with; give temporarily
cause to have, in the abstract sense or physical sense
be the cause or source of
place into the hands or custody of
convey or reveal information
contribute to some cause
transmit (knowledge or skills)
endure the loss of
bestow, especially officially
deliver in exchange or recompense
give (as medicine)
give or convey physically
afford access to
emit or utter
execute and deliver