1 verse has
“takum”
in Edition English Transliteration / Ash-Shu'araa (The Poets)
26:136Qaaloo sawaaa'un 'alainaaa awa 'azta am lam takum minal waa'izeen
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274