-ex

Imitative of the ending of Latin-derived words such as index and codex

-ex

1. Used to construct company and product names that borrow meaning from the root word.

• Kardex
• Kleenex
• Memorex
• Timex

• XE, xe

Borrowed from English -ex.

-ex

1. Used in brand and product names that borrow meaning from the root word.
2. Used in jocular terms inspired by the above.

• pirex
• duplex
• triplex
• simplex
• pra frentex