جَمْع تَكْسِير — plurals formed by an internal change of pattern rather than a simple ون/ين or ات ending. Every singular and plural form below is a real word actually used in the Qur'an, grouped with its plural pattern (وَزْن) and, where a single representative ayah exists, a reference.
| Singular (مُفْرَد) | Meaning | Pattern (وَزْن) | Broken Plural (جَمْع) | Meaning | Qur'an ref |
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Arabic has three ways to form a plural: the sound masculine plural (جمع مذكر سالم, e.g. مُسْلِمُونَ), the sound feminine plural (جمع مؤنث سالم, e.g. مُسْلِمَات), and the broken plural (جمع تكسير), where the internal vowel pattern of the word itself changes — much like English "foot → feet" or "mouse → mice" rather than simply adding "-s". Most plural nouns in Arabic — including in the Qur'an — are broken plurals, and each singular tends to follow one of roughly 30 recognised patterns (أوزان). The table above only lists pairs where both the singular and the plural form are attested Qur'anic words.