• flatform,
• flatwork,
• blndworm,
• flatbotom,
• flawtwork,
• flatworkk,
• dlatworm,
• flarworm,
• flagworm,
• flartworm,
• flatwormn,
• fltworm,
• flatwrm,
• flatwom,
• flattworm,
• joitworm,
• flawgworm,
• flaygworm,
• flgworm,
• flagorm

• flatware,
• flitter,
• flatter,
• flutter,
• floater,
• flatwork.

The adjective form of the word "flatworm" is "flatworm-like" or "platyhelminthic".

The plural of the "flatworm" can be the "flatworms".

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