Suggested sort:Either sort by the initial sound of the word (all will be the same!)

Or sort by the spelling of the n sound

Sounds likeg

Sounds likek

Sounds liken

gn knknock know knee

gnat gnaw knit

kneel known knead

knuckle knight knickers

gnash gnarl

Kn and gn at the start of words making /n/ sound

Both consonants were sounded in old versions of English

Cut this top row off before you give the sort to pupils!