Adverb Suffixes.
Ly, long, meat, ce, om, ther, ward(s), way(s), wise.
Lazily
Laughingly
Devotedly
Partly
Headlong
Piecemeal
Hence
Thence
Seldom
Hither
Whether
Downward
Toward / Towards; Backward / Backwards
Anyway / Anyways
Always
Likewise
Otherwise
Daily