tec vs tracer

tec and tracer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tec	Yes	No	No	No
tracer	Yes	No	No	No

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

tec: a police officer who investigates crimes
tracer: an investigator who is employed to find missing persons or missing goods

Other hyponyms of tec include dick, gumshoe, hawkshaw, plainclothesman.

tec (noun)	tracer (noun)
a police officer who investigates crimes	ammunition whose flight can be observed by a trail of smoke
	(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
	an instrument used to make tracings
	an investigator who is employed to find missing persons or missing goods