Roget's Thesaurus of English Words and Phrases

CLASS I SECTION VIII. 2. CONNECTION BETWEEN CAUSE AND EFFECT

157. Power -- N. power; potency, potentiality; jiva ^† ; puissance, might, force, energy &c 171; dint; right hand, right arm; ascendency ^† , sway, control; prepotency, prepollence ^† ; almightiness, omnipotence; authority &c 737; strength &c 159.

158. Impotence -- N. impotence; inability, disability; disablement, impuissance, imbecility; incapacity, incapability; inaptitude, ineptitude, incompetence, unproductivity ^† ; indocility ^† ; invalidity, disqualification; inefficiency, wastefulness.

159. [Degree of power.] Strength -- N. strength; power &c 157; energy &c 171; vigor, force; main force, physical force, brute force; spring, elasticity, tone, tension, tonicity.

160. Weakness -- N. weakness &c adj.; debility, atony ^† , relaxation, languor, enervation; impotence &c 158; infirmity; effeminacy, feminality ^† ; fragility, flaccidity; inactivity &c 683.