prophylactic

noun 0.767

prophylaxis

noun 0.723

preventive

noun 0.640

prudent man rule

noun 0.572

chemoprophylaxis

noun 0.557

preventive war

noun 0.552

empirical rule

noun 0.549

precaution

noun 0.542

rule

noun 0.539

ground rule

noun 0.532

prevention

noun 0.531

golden rule

noun 0.524

cardinal rule

noun 0.524

formation rule

noun 0.520

literal rule

noun 0.518

pre-exposure prophylaxis

noun 0.514

protective

noun 0.514

bright-line rule

noun 0.512

prognostic

noun 0.510

rule of thumb

noun 0.504

best evidence rule

noun 0.503

preventer

noun 0.503