pale vs blench

pale is a noun but blench is not a noun.

Word	Noun	Adjective	Verb	Adverb
pale	Yes	Yes	Yes	No
blench	No	No	Yes	No

As verbs, pale and blench are synonyms defined as:

Other synonyms of pale include blanch.

pale (noun)	blench (noun)
a wooden strip forming part of a fence

pale (adjective)	blench (adjective)
abnormally deficient in color as suggesting physical or emotional distress
lacking in vitality or interest or effectiveness
very light colored; highly diluted with white
not full or rich
(of light) lacking in intensity or brightness; dim or feeble

pale (verb)	blench (verb)
turn pale, as if in fear	turn pale, as if in fear