Well up, to rise as a spring bubbles out of the ground; used of feelings with the meaning "to arise and grow strong," e.g. "Wrath in his heart wells up."
Welter, the toss and ripple of the sea-waves.
Wend, to go.
Whetted, stirred up, made sharp or eager, e.g. "the whetted Wrath."
Whileome, in the past, once upon a time.
Whiles, from time to time.
Whit, a very small particle, a trifle, e.g. never a whit, no whit.
Wight, a man, a creature, e.g. sea-wights, great sea-monsters.
Wise, way, manner, after the fashion of.
Witch-wife, witch. Wife here means woman.