Europol vs police force

Europol and police force both are nouns.

Word	Noun	Adjective	Verb	Adverb
Europol	Yes	No	No	No
police force	Yes	No	No	No

As nouns, police force is a hypernym of Europol; that is, police force is a word with a broader meaning than Europol:

Europol: police organization for the European Union; aims to improve effectiveness and cooperation among European police forces
police force: the force of policemen and officers

Other hypernyms of Europol include constabulary, law, police.

Europol (noun)	police force (noun)
police organization for the European Union; aims to improve effectiveness and cooperation among European police forces	the force of policemen and officers