Is SOMAN a Wordle Word?

Yes. SOMAN is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

What does SOMAN mean?

A highly toxic G-series nerve agent in the organophosphate class of chemical warfare agents. It works by irreversibly inhibiting acetylcholinesterase, an enzyme needed to regulate nerve signals, which leads to uncontrolled muscle activity and disruption of vital nervous system functions.

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: AverageIn the top 30% of all valid Wordle words for testing common letters.
Vowels: O, A
Unique letters: 5 of 5
Common letters: O, A

Letter ratings use how often each letter appears in Wordle answers.

Tap its tiles to the colours Wordle showed, and the Wordle Solver lists every word that still fits, with the best next guess.