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wafī
And in
CONJ – prefixed conjunction wa (and) + P – preposition
Root Link: ف ى
l-arḍi
the earth
DET – determiner prefix al + N – genitive feminine noun 
Root Link: ا ر ض
āyātun
(are) signs
N – nominative feminine plural indefinite noun
Root Link: ا ى ا
lil'mūqinīna
for those who are certain
P – prefixed preposition lām + DET – determiner prefix al + N – genitive masculine plural (form IV) active participle
Root Link: ى ق ن

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