tracer vs tec

tracer and tec both are nouns.

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

As nouns, tec is a hypernym of tracer; that is, tec is a word with a broader meaning than tracer:

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

Other hypernyms of tracer include detective, investigator, police detective.

tracer (noun)	tec (noun)
ammunition whose flight can be observed by a trail of smoke	a police officer who investigates crimes
(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