tryst vs appointment

tryst and appointment both are nouns.

Word	Noun	Adjective	Verb	Adverb
tryst	Yes	No	No	No
appointment	Yes	No	No	No

As nouns, appointment is a hypernym of tryst; that is, appointment is a word with a broader meaning than tryst:

Other hypernyms of tryst include date, engagement.

tryst (noun)	appointment (noun)
a secret rendezvous (especially between lovers)	the act of putting a person into a non-elective position
a date; usually with a member of the opposite sex	the job to which you are (or hope to be) appointed
	(law) the act of disposing of property by virtue of the power of appointment
	(usually in the plural) furnishings and equipment (especially for a ship or hotel)
	a meeting arranged in advance
	a person who is appointed to a job or position