合

verb: to form a partnership, to bind (into a book), to concoct (medicine)
合

5 candidate readings from Wiktionary — genuine Chaozhou colloquial form not yet confirmed by a speaker. All 5 readings are attested together only for the Teochew-specific senses (to form a partnership; to bind a book; to concoct medicine); the character's more common senses (to close, to join, to suit, etc.) attest only a subset of these readings in the dossier.