jot vs speck

jot and speck both are nouns.

Word	Noun	Adjective	Verb	Adverb
jot	Yes	No	Yes	No
speck	Yes	No	Yes	No

As nouns, jot and speck are synonyms defined as:

Other synonyms of jot include hint, mite, pinch, soupcon, tinge, touch.

jot (noun)	speck (noun)
a brief (and hurriedly handwritten) note	a very small spot
a slight but appreciable amount	a slight but appreciable amount
	(nontechnical usage) a tiny piece of anything

jot (verb)	speck (verb)
write briefly or hurriedly; write a short note of	produce specks in or on