1. By chance: perhaps.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• happaly,
• happt,
• happpy,
• chaple,
• henly,
• huppy,
• hapily,
• hartly,
• shaply,
• hadly,
• halll,
• harely,
• heatly,
• happely,
• hkpl,
• aapply,
• aapl,
• hayely,
• apliy,
• aply

• halo,
• haul,
• hardly,
• Hafley,
• habel,
• happy,
• happel,
• hail,
• haapala,
• holly,
• apply,
• happily,
• havel,
• holy,
• cheaply,
• hall.

The adjective form of the word "haply" is "haply".

The plural form of the word "haply" is "haplies".

The singular form of the word "haply" is "hap"