PI vs operative

operative vs PI

PI and operative both are nouns.

PI is not an adjective while operative is an adjective.

Word	Noun	Adjective	Verb	Adverb
PI	Yes	No	No	No
operative	Yes	Yes	No	No

As nouns, PI and operative are synonyms defined as:

PI and operative: someone who can be employed as a detective to collect information and assist in criminal investigations

Other synonyms of PI include private detective, private eye, private investigator, shamus, sherlock.

PI (noun)	operative (noun)
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs	someone who can be employed as a detective to collect information and assist in criminal investigations
someone who can be employed as a detective to collect information and assist in criminal investigations	a person secretly employed in espionage for a government
the scientist in charge of an experiment or research project

PI (adjective)	operative (adjective)
	being in force or having or exerting force
	relating to or requiring or amenable to treatment by surgery especially as opposed to medicine
	(of e.g. a machine) performing or capable of performing
	effective; producing a desired effect

Difference between PI and operative

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