koach (Hebrew #3581)
from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard
KJV usage: ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
Pronounce: ko'-akh
Origin: or (Dan. 11:6) kowach {ko'-akh}
`atsar (Hebrew #6113)
to inclose; by analogy, to hold back; also to maintain, rule, assemble
KJV usage: X be able, close up, detain, fast, keep (self close, still), prevail, recover, refrain, X reign, restrain, retain, shut (up), slack, stay, stop, withhold (self).
Pronounce: aw-tsar'
Origin: a primitive root