fate vs doom

fate and doom both are nouns.

Word	Noun	Adjective	Verb	Adverb
fate	Yes	No	Yes	No
doom	Yes	No	Yes	No

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

fate: an event (or a course of events) that will inevitably happen in the future
doom: an unpleasant or disastrous destiny

As verbs, fate and doom are synonyms defined as:

Other synonyms of fate include designate, destine.

fate (noun)	doom (noun)
an event (or a course of events) that will inevitably happen in the future	an unpleasant or disastrous destiny
the ultimate agency regarded as predetermining the course of events
your overall circumstances or condition in life (including everything that happens to you)

fate (verb)	doom (verb)
decree or designate beforehand	pronounce a sentence on (somebody) in a court of law
	decree or designate beforehand
	make certain of the failure or destruction of