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thumma
Then
CONJ – coordinating conjunction
Root Link: ث م م
innakum
indeed you
ACC – accusative particle inna + PRON – 2nd person masculine plural possessive pronoun kum
Root Link: ا ن ن
yawma
(on the) Day
N – accusative masculine noun
Root Link: ى و م
l-qiyāmati
(of) the Resurrection
DET – determiner prefix al + N – genitive feminine noun 
Root Link: ق و م
tub'ʿathūna
will be resurrected
V – 2nd person masculine plural passive imperfect verb + PRON – subject pronoun ūna
Root Link: ب ع ث

Acknowledgements:

Single-Word Audio has been made possible through software provided by Arabic NLP

James Ada's concordance work; his research can be found at www.organizedQuran.com
Note: James is now a member of the IslamAwakened Continuity Board