Heavy and Tuff

Heavy adjective - Having great weight.

Tuff and heavy are semantically related In some cases you can replace term "Tuff" with "Heavy", this adjectives are similar.

Nearby Words: heave, heavyweight, heaviness, heaved, heavily

Tuff noun - Hard volcanic rock composed of compacted volcanic ash.

Heavy and tuff are semantically related in difficult topic. Sometimes you can use "Heavy" instead an adjective "Tuff".