• kastex,
• pastex,
• oastex,
• lzstex,
• lsstex,
• lwstex,
• lqstex,
• laatex,
• laztex,
• laxtex,
• ladtex,
• laetex,
• laastex,
• lasterx,
• lastexs,
• lastexx,
• lestex,
• lutex,
• Lastix,
• Lacstex

• lactase,
• lactose,
• lactic.

The adjective form of "lastex" is "lastexed".

The plural form of the word "lastex" is "lastexes".

The singular form of the word "lastex" is "lastex". It is both a singular and a mass noun.