Root ع ك ف(E k f) has 7 unique word forms and appears 9 times in the Quran.

English gloss Devote one self, Cling, Addicted, Obsessed, secluded, Restrained, Curve

Word Translation Occurrences
عَٰكِفُونَ (are) devoted, (are) secluded 4
عَٰكِفِينَ being devoted to it, devoted 4
مَعۡكُوفًا (was) prevented 2
وَٱلۡعَٰكِفِينَ and those who seclude themselves for devotion and prayer 2
يَعۡكُفُونَ devoted 2
ٱلۡعَٰكِفُ (are) the resident 2
عَاكِفٗاۖ devoted 2