Anagrams of: OPKNOTS

• A knob, usually ornamental

• A hill or mountain.

• large tropical American food and game fishes of coastal and brackish waters; resemble pike

• A hill or mountain.

• a sheltered and secluded place

• an interior angle formed by two meeting walls

• a tight cluster of people or things

• any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object

• a hard cross-grained round piece of wood in a board where a branch emerged

• (of ships and wind) a unit of speed equal to one nautical mile per hour or about 1.15 statute miles per hour

• something twisted and tight and swollen

• soft lump or unevenness in a yarn; either an imperfection or created by design

• a sandpiper that breeds in the Arctic and winters in the Southern Hemisphere

• make into knots; make knots out of

• tie or fasten into a knot

• tangle or complicate

• A Japanese stringed instrument having numerous strings, usually seven or thirteen, that are stretched over a convex wooden sounding board and are plucked with three plectra, worn on the thumb, index finger, and middle finger of one hand.

• A pile or bundle, especially of straw.

• (specifically) A group of 6 or 8 sheaves of grain stacked to dry vertically in a rectangular arrangement at harvest time, obsolete since the advent of the combine harvester (mid 20th century).

• To make stooks.