(ض، ن) عَشَرَ يَعْشِرُ وَيَعْشُرُ عَشْرًاʿashara yaʿshiru wa-yaʿshuru ʿashran: to join nine and so become the tenth.
عَشَرَةٌʿasharah: ten. ﴿تِلْكَ عَشَرَةٌ كَامِلَةٌ﴾ (Al-Baqarah 2:196)
مِعْشَارٌmiʿshār: a tenth part.
عِشْرُوْنَʿishrūna: twenty.
عُشَرَاءُʿusharāʾu pl. عِشَارٌʿishār: a she-camel ten months pregnant, whose time of delivery is near. ﴿وَاِذَا الْعِشَارُ عُطِّلَتْ﴾ (At-Takwīr 81:4)
عَشِيْرٌʿashīr (pattern فَعِيْلٌfaʿīl, in the sense of an active participle, ism fāʿil): one who joins in, i.e. a companion, an associate.
عَشِيْرَةٌʿashīrah: tribe, kinsfolk, relatives. ﴿وَاَنْذِرْ عَشِيْرَتَكَ الْاَقْرَبِيْنَ﴾ (Ash-Shuʿarāʾ 26:214)
مَعْشَرٌmaʿshar: a company, a group. ﴿يٰمَعْشَرَ الْجِنِّ وَالْاِنْسِ﴾ (Ar-Raḥmān 55:33)
Form III (mufāʿalah) عَاشَرَ يُعَاشِرُ مُعَاشَرَةًʿāshara yuʿāshiru muʿāsharatan: to live together on good terms.
عَاشِرْʿāshir (imperative, amr): live with (them) on good terms. ﴿وَعَاشِرُوْهُنَّ بِالْمَعْرُوْفِ﴾ (An-Nisāʾ 4:19)