detective vs tec

detective and tec both are nouns.

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

As nouns, detective and tec are synonyms defined as:

Other synonyms of detective include investigator, police detective.

detective (noun)	tec (noun)
a police officer who investigates crimes	a police officer who investigates crimes
an investigator engaged or employed in obtaining information not easily available to the public