Down and Downhill

Down adverb - Toward or in a lower position.

Downhill and down are semantically related. in below topic. In some cases you can use "Downhill" instead the word "Down" as an adjective or an adverb or a noun.

Nearby Word: downed

Downhill adverb - Toward the bottom of a hill.

Down and downhill are semantically related. You can use "Down" instead the word "Downhill" as an adverb or an adjective or a noun.