not quite, Karen... (how did you come up with thermal)? My instructions must have not been good.
what you want to do is take the LAST word...which was
and use as many of the LAST letters of the word 'mallard' to make your next word.
I could make LARDer, or ARDent, or if 'stuck' just use the last letter (D) and come up with any word that starts with a D