fright vs alarm

fright and alarm both are nouns.

Word	Noun	Adjective	Verb	Adverb
fright	Yes	No	Yes	No
alarm	Yes	No	Yes	No

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

fright: an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
alarm: fear resulting from the awareness of danger

As verbs, alarm is a hyponym of fright; that is, alarm is a word with a more specific, narrower meaning than fright:

fright (noun)	alarm (noun)
an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)	a device that signals the occurrence of some undesirable event
	a clock that wakes a sleeper at some preset time
	an automatic signal (usually a sound) warning of danger
	fear resulting from the awareness of danger

fright (verb)	alarm (verb)
cause fear in	warn or arouse to a sense of danger or call to a state of preparedness
	fill with apprehension or alarm; cause to be unpleasantly surprised