-ock

-ock

suffix forming nouns
indicating smallness: hillock.
[Old English -oc, -uc]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-ock

a suffix, now unproductive, used in the formation of diminutive nouns: bullock; hillock; paddock.
[Middle English -ok, Old English -oc, -uc]
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