Yes, hawk is a Scrabble word!

Verb

1. Sell or offer for sale from place to place

2. Hunt with hawks

3. Clear mucus or food from one's throat

Noun

1. Diurnal bird of prey typically having short rounded wings and a long tail

2. An advocate of an aggressive policy on foreign relations

3. A square board with a handle underneath; used by masons to hold or carry mortar