Ray : Sun
Length : Width
Peak : Valley
Height : Mountain
forgive
extract
reduce
electrify
suffrage
utility
precise
criticize
dominance
nonsense
ugliness
continuity
security
celebrity
mildness
separation
lucky
acidity
stupid
clear
listed
obligated
loaded
serialized
thoughtful
disperse
link
None of these
unclear
vague
indistinct
adjustment
quarrel
alteration
implication