Adjective to Verb

Adjective		Verb
Black		Blacken
Bright		Brighten
Broad		Broaden
Deep		Deepen
Fat		Fatten
Flat		Flatten
Fresh		Freshen
Hard		Harden
Less		Lessen
Loose		Loosen
Red		Redden
Ripe		Ripen
Sad		Sadden
Short		Shorten
Straight		Straighten
Sweet		Sweeten
Tight		Tighten
Weak		Weaken
Able		Enable
Feeble		Enfeeble
Large		Enlarge
Rich		Enrich
Simple		Simplify
Intense		Intensify
Pure		Purify
Central		Centralize
Modern		Modernize
Popular		Popularize
Secular		Secularize
Western		Westernize
White		Whiten
Final		Finalize
Glad		Gladden
Wide		Widen