• grms,
• grahms,
• granmas,
• crims,
• gramer,
• graohs,
• grais,
• gramd,
• digrams,
• graise,
• grats,
• grabbs,
• gerals,
• grrass,
• grammas,
• grahps,
• grems,
• pograms,
• grame,
• gramor

• grimness,
• Grimshaw,
• grumose,
• grabs,
• grimace,
• grassy,
• grim,
• Cramps,
• Grimes,
• gums,
• gromyko,
• greens,
• grooms,
• gram,
• CRAMS,
• Grimsley,
• jams,
• grames,
• grass,
• cram,
• grumous,
• roams,
• rims.

The adjective form of the word "grams" is "grammatical".