The word "despitefully" uses 12 letters: deefillpstuy.
despitefully is a valid word in this word list. For a definition, see the external dictionary links below.
Try a search for despitefully in these online resources (some words may not be found):
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Shorter words found within despitefully
de dee defi defile deil del dele delf deli dell die diel dill ed edile eel ef eide el eld elf elide ell fed fee feed feel felid fell felled fid fie field fil file filed fill fille filled fled flee flied id idle if ill led lee lei li lid lie lied lief life