Wordbuilder

How many words of three or more letters, including plurals, can you make

only once? No words beginning with a capital are allowed. There’s at least one

Good 7 Very Good 12 Excellent 15

Previous solution: eel, eels, eke, ekes, elk, elks, else, keel, keels, lee, leek, leeks, lees, lek, leks, see, seek, seel, sleek