No. "Kempt" is not found on its own as a word, but forms part of the adjective "unkempt" which means "dishevelled or messy in appearance". The word "kept" is the past tense of the verb "to keep" and has a large number of different applications.
Well kempt means well kept; tidy; neat.
kempt
Kaput, knight, knit, kit, keep/kept/kempt, knot, keenest, kilt, keyboardist, kismet, kilowatt, knockout, kumquat, kinglet, kinkiest...
"Attempt" and "preempt" rhyme with "kempt."
James Kempt was born in 1764.
James Kempt died in 1854.
George Kempt was born on 1821-07-08.
George Kempt died on 1885-03-09.
Some words that rhyme with "hemp" are "temp," "bempt," and "vamp."
kempt
== == Similar words are called "synonyms."Synonyms
Lied, kept secret.