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al-nāri
(Of) the fire
DET – determiner prefix al + N – genitive feminine noun 
Root Link: ن و ر
dhāti
full
N – genitive feminine singular noun
Root Link: ذ و
l-waqūdi
(of) the fuel
DET – determiner prefix al + N – genitive masculine noun
Root Link: و ق د

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