embassy vs deputation

embassy and deputation both are nouns.

Word	Noun	Adjective	Verb	Adverb
embassy	Yes	No	No	No
deputation	Yes	No	No	No

As nouns, deputation is a hypernym of embassy; that is, deputation is a word with a broader meaning than embassy:

Other hypernyms of embassy include commission, delegacy, delegation, mission.

embassy (noun)	deputation (noun)
a diplomatic building where ambassadors live or work	authorizing subordinates to make certain decisions
an ambassador and his entourage collectively	a group of representatives or delegates