比率【ひりつ】
ratio, proportion, percentage
効率【こうりつ】
efficiency
率直【そっちょく】
frank, candid, straightforward, openhearted, direct, outspoken
確率【かくりつ】
probability, likelihood, chances
倍率【ばいりつ】
magnification, leverage, amplification, scaling factor, scale factor, competitiveness rating (e.g. for university entrance), applicant-to-acceptance ratio
利率【りりつ】
interest rate
能率【のうりつ】
efficiency, moment
軽率【けいそつ】
rash, thoughtless, careless, hasty, imprudent
率いる【ひきいる】
to lead, to spearhead (a group), to command (troops)
率先【そっせん】
taking the initiative