consummation vs orgasm

consummation and orgasm both are nouns.

Word	Noun	Adjective	Verb	Adverb
consummation	Yes	No	No	No
orgasm	Yes	No	No	No

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

Other hyponyms of consummation include fruition, realisation, realization, climax, coming, sexual climax, fulfillment, fulfilment.

consummation (noun)	orgasm (noun)
the act of bringing to completion or fruition	the moment of most intense pleasure in sexual intercourse
the completion of marriage by sexual intercourse