puissant or puissaunt /pūˈis-ənt, pwisˈənt or (poetic) pū-isˈənt/ (archaic)

Powerful

puissance (also puissaunce) /pūˈis-əns, -önsˈ, -änsˈ, pwisˈəns, etc/ noun

1. Power (archaic)
2. /usu pwēsˈãs or pwēsˈäns/ (a showjumping competition with very high jumps testing) the power of a horse

puissantly /-ənt-li/ adverb

• sulphacetamides
• sulphadiazine
• sulphadiazines
• sulphadimidine
• sulphamethoxazole
• sulphanilamide
• sulphanilamides
• sulphas
• sulphatase
• sulphatases
• sulphate
• swatters
• swattier
• swattiest
• swatting
• swattings
• swatty
• sway
• swayback
• swaybacked
• swaybacks
• swayed
• subducing
• subduct
• subducted