7-letter words with O as the 1st letter and N as the 2nd letter

The fixed opening, ON-, narrows the search to 37 tournament-dictionary words. Only 5 are among the most common English words, so familiar options like ONGOING and ONBOARD stand out from entries such as ONYCHAS. Twenty-nine have definitions in the dictionary sources used for this list; the rest may be less familiar or harder to verify.

7-letter words with O as the 1st letter and N as the 2nd letter

• The pattern has 37 tournament-dictionary matches, all beginning ON.
• ONGOING and ONBOARD are two familiar examples among just 5 common entries.
• ONYCHAS and ONYCHIA lead the scoring list at 15 points apiece.
• Collins includes 35 matches, compared with 19 in NWL2023 and 15 in ENABLE; the sets overlap.
• A final S is the standout ending: 18 words end that way.

Which endings are most common?

S dominates the final-letter pattern, appearing in 18 words. D is next with 4, while E and T each finish 3 entries. That makes an S-ending a strong first branch when you have the ON opening and a known last tile.

Try recognizable S-ending examples such as ONWARDS, ONESIES, ONSIDES, and ONSTAGE. The contrast matters: a clue ending in D points to a much smaller group, with ONIONED among the examples. Use the ending to narrow candidates rather than guessing from the opening alone.

Which ON words score well, and what should you watch for?

ONYCHAS and ONYCHIA each score 15 points before board bonuses, but both are specialist vocabulary. ONFLOWS follows at 13; ONWARDS, ONEFOLD, and ONCOMES each score 11. The familiar ONBOARD and ONESELF score 10 apiece, so the highest raw score is not automatically the easiest play to recognize.

Among 7-letter words with O as the 1st letter and N as the 2nd letter, dictionary coverage is uneven: Collins has 35, NWL2023 has 19, and ENABLE has 15. Those counts overlap, so they are not separate piles to total. Check your game's word list before committing to an obscure entry; ONGOING is a safer familiar candidate, not a guarantee of a legal play.