One occurence of H1751 דּוּק
H1785 דּיק dâyêq
From a root corresponding to H1751; a battering tower
KJV Usage: fort.
H1854 דּקק dâqaq
A primitive root (compare H1915); to crush (or intransitively) crumble
KJV Usage: beat in pieces (small), bruise, make dust, (into) X powder, (be, very) small, stamp (small).
H1851 דּק daq
From H1854; crushed, that is, (by implication) small or thin
KJV Usage: dwarf, lean [-fleshed], very little thing, small, thin.
H1852 דּק dôq
From H1854; something crumbling, that is, fine (as a thin cloth)
KJV Usage: curtain.
H1855 דּקק de qaq
(Chaldee); corresponding to H1854; to crumble or (transitively) crush
KJV Usage: break to pieces.
H1915 הדך hâdak
A primitive root (compare H1854); to crush with the foot
KJV Usage: tread down.