We found one dictionary that defines the word subfunctions:

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1. subfunctions: Wiktionary

Opposite: superfunctions, main functions, primary functions ▸ Words similar to subfunctions ▸ Usage examples for subfunctions ▸ Idioms related to subfunctions ▸ Wikipedia articles (New!) ▸ Words that often appear near subfunctions ▸ Rhymes of subfunctions ▸ Invented words related to subfunctions