• tumbnail,
• thubmnail,
• thumnail,
• thubnail,
• thunbnail,
• thumbail,
• thmbnail,
• thumbnil,
• rhumbnail,
• fhumbnail,
• ghumbnail,
• yhumbnail,
• 6humbnail,
• 5humbnail,
• thumnbail,
• thumbnial,
• thumbnutt,
• thumbkim,
• Thumnil,
• Thumnbil

• thumbnut,
• thumb index.

The adjective form of the word "thumbnail" is "thumbnail-sized".

The plural of the "thumbnail" can be the "thumbnails".

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