Risped vs Wisped - What's the difference?

As a noun risped

is past tense of risp.

past tense of wisp.

(head)

(risp)

(en verb)

to rub together, to rasp or grate

* 1974 , Guy Davenport, Tatlin! :

that Greek waste silent but for the risp of the tettix and the wash of listless wind through the spare grass.

* *

(head)

(wisp)

(en noun)

A small bundle, as of straw or other like substance; any slender, flexible structure or group.

A wisp of smoke rose from the candle for a few moments after he blew it out.

A wisp of hair escaped her barrette and whipped wildly in the wind.

* Dryden

in a small basket, on a wisp of hay

A whisk, or small broom.

A will o' the wisp, or ignis fatuus.

* Tennyson

the wisp that flickers where no foot can tread

* will o' the wisp

(en verb)

To brush or dress, as with a wisp.

(UK, dialect) To rumple.

(Halliwell)