This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of substantive.

"According to the OED, this “- general” has sometimes been attached playfully to ordinary substantives, e.g. Mr. Chad, “lover general at The Hague”; and the “assumption that και in the N.T., as ו in Hebrew, was the conjunction-general,” etc."