secular

a.现世的，世俗的；非宗教的

secret police, secret service, secretarial, secretariat, secretary, Secretary of State, Secretary-General, secrete, secretion, secretive, secretively, secretiveness, secretly, sect, sectarian, sectarianism, section, sectional, sectionalism, sector, secularism, secularist, secularize, secularise, secure, securely, securities, security, security guard, security risk, sedan, sedate, sedately, sedateness, sedation, sedative, sedentary, sedge, sedgy, sediment, sediment-covered,