• hobyist,
• lobbyiest,
• hobbyes,
• hobbyest,
• lobbyest,
• hobbiest,
• hobbist,
• lobyist,
• hobbyies,
• hobbyiest,
• gobbyist,
• bobbyist,
• nobbyist,
• jobbyist,
• hobbisty,
• hobyists,
• hobbyists,
• Hobiist,
• Hoobyist,
• Hoobyists

• lobbyist.

The adjective form of the word "hobbyist" is "hobbyistic". However, it is not commonly used and often not necessary, as "hobbyist" can also function as an adjective. For example, "hobbyist photographer" or "hobbyist musician".

The plural of the "hobbyist" can be the "hobbyists".

The singular of the "hobbyist" can be the "hobbyist".