lovemaking vs love life

lovemaking and love life both are nouns.

Word	Noun	Adjective	Verb	Adverb
lovemaking	Yes	No	No	No
love life	Yes	No	No	No

As nouns, lovemaking and love life are synonyms defined as:

lovemaking and love life: sexual activities (often including sexual intercourse) between two people

Other synonyms of lovemaking include love, making love, sexual love.

lovemaking (noun)	love life (noun)
sexual activities (often including sexual intercourse) between two people	sexual activities (often including sexual intercourse) between two people