troth vs engagement

troth and engagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
troth	Yes	No	No	No
engagement	Yes	No	No	No

As nouns, troth and engagement are synonyms defined as:

Other synonyms of troth include betrothal.

troth (noun)	engagement (noun)
a solemn pledge of fidelity	the act of sharing in the activities of a group
a mutual promise to marry	a hostile meeting of opposing military forces in the course of a war
	the act of giving someone a job
	employment for performers or performing groups that lasts for a limited period of time
	a mutual promise to marry
	contact by fitting together
	a meeting arranged in advance