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wal-arḍi
And the earth
CONJ – prefixed conjunction wa (and) + DET – determiner prefix al + N – genitive feminine noun 
Root Link: ا ر ض
wamā
and (He) Who
CONJ – prefixed conjunction wa (and) + REL – relative pronoun
Root Link: م ا
ṭaḥāhā
spread it
V – 3rd person masculine singular perfect verb + PRON – 3rd person feminine singular object pronoun hā
Root Link: ط ح ا

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