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 8 Very Good 11 Excellent 14

Previous solution: ego, erg, ergo, foe, fog, for, fore, forge, fro, froe, frog, goer, gofer, gore, ogre, ore, orf, orfe, ref, roe