(ن) حَالَ يَحُوْلُ حَوْلًاḥāla yaḥūlu ḥawlan: to change from one state to another: (1) to be in motion (2) to come between two things (through being in motion) (intransitive) (3) to place as a barrier (transitive). ﴿وَاعْلَمُوْٓا اَنَّ اللّٰهَ يَحُوْلُ بَيْنَ الْمَرْءِ وَقَلْبِهِۦ﴾ (Al-Anfāl 8:24)
حِيْلَḥīla (perfect passive, māḍī majhūl): a barrier was placed. ﴿وَحِيْلَ بَيْنَهُمْ وَبَيْنَ مَا يَشْتَهُوْنَ﴾ (Sabaʾ 34:54)
حَوْلٌḥawl (noun of time or place, ẓarf): (1) the space around someone. ﴿فَلَمَّآ اَضَآءَتْ مَا حَوْلَهُۥ﴾ (Al-Baqarah 2:17); (2) the period of one year (because in this period the earth completes its revolution round the sun). ﴿حَوْلَيْنِ كَامِلَيْنِ﴾ (Al-Baqarah 2:233)
حِوَلٌḥiwal: a change of place, removal. ﴿لَا يَبْغُوْنَ عَنْهَا حِوَلًا﴾ (Al-Kahf 18:108)
حِيْلَةٌḥīlah: hidden movement towards reaching a goal, a secret stratagem. ﴿لَا يَسْتَطِيْعُوْنَ حِيْلَةً﴾ (An-Nisāʾ 4:98); مِحَالٌmiḥāl: a severe stratagem and grip. ﴿وَهُوَ شَدِيْدُ الْمِحَالِ﴾ (Ar-Raʿd 13:13)
Form II (tafʿīl) حَوَّلَ يُحَوِّلُ تَحْوِيْلًاḥawwala yuḥawwilu taḥwīlan: to set in motion, to turn over, to change. ﴿وَلَنْ تَجِدَ لِسُنَّتِ اللّٰهِ تَحْوِيْلًا﴾ (Fāṭir 35:43)