deed vs bill of sale

deed and bill of sale both are nouns.

Word	Noun	Adjective	Verb	Adverb
deed	Yes	No	No	No
bill of sale	Yes	No	No	No

As nouns, bill of sale is a hyponym of deed; that is, bill of sale is a word with a more specific, narrower meaning than deed:

deed: a legal document signed and sealed and delivered to effect a transfer of property and to show the legal right to possess it
bill of sale: a deed transferring personal property

Other hyponyms of deed include deed poll, enfeoffment, mortgage deed, title deed.

deed (noun)	bill of sale (noun)
something that people do or cause to happen	a deed transferring personal property
a legal document signed and sealed and delivered to effect a transfer of property and to show the legal right to possess it