thrill vs shudder

thrill and shudder both are nouns.

Word	Noun	Adjective	Verb	Adverb
thrill	Yes	No	Yes	No
shudder	Yes	No	Yes	No

As nouns, thrill and shudder are synonyms defined as:

Other synonyms of thrill include chill, frisson, quiver, shiver, tingle.

As verbs, thrill and shudder are synonyms defined as:

Other synonyms of thrill include shiver, throb.

thrill (noun)	shudder (noun)
something that causes you to experience a sudden intense feeling or sensation	an involuntary vibration (as if from illness or fear)
the swift release of a store of affective force	an almost pleasurable sensation of fright
an almost pleasurable sensation of fright

thrill (verb)	shudder (verb)
fill with sublime emotion	shake, as from cold
feel sudden intense sensation or emotion	tremble convulsively, as from fear or excitement
tremble convulsively, as from fear or excitement
cause to be thrilled by some perceptual input