12-letter words containing i, r, e, f, o, m
- serpentiform — shaped like a snake.
- sixth former — student: 16-18
- terraforming — to alter the environment of (a celestial body) in order to make capable of supporting terrestrial life forms.
- unformalized — not formalized
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unperforming — not performing
- window frame — structure surrounding a window pane
- woman friend — a female friend