sixthly

from WordNet (r) 3.0 (2006)
sixthly
    adv 1: in the sixth place; "sixthly, we cannot afford a
           vacation"
    
from The Collaborative International Dictionary of English v.0.48
Sixthly \Sixth"ly\, adv.
   In the sixth place. --Bacon.
   [1913 Webster]
    

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