line

I (ancestry) noun arrangement, avenue, beat, birth, blood, bloodline, channel, communication, course, derivation, descent, direction, dispatch, drift, epistle, family, stock, genealogy, heredity, idea, lane, letter, lineage, method, missive, nature, note, origin, parentage, path, progeny, race, railroad, road, route, scheme, sort, succession, system, tendency, track, trail, transportation, way associated concepts: descendant, direct line, maternal line, paternal line II (business) noun activity, airline, avocation, bus line, calling, career, chain, employment, livelihood, merchandise, occupation, profession, pursuit, specialization, specialty, stock in trade, undertaking, vocation, work III index ancestry, birth (lineage), blood, bloodline, business (occupation), calling, career, chain (series), derivation, descent (lineage), direction (course), employment, family (common ancestry), lineage, merchandise, occupation (vocation), origin (ancestry), parentage, policy (plan of action), polity, post, posterity, progeny, pursuit (occupation), race, range, stock in trade, trade (occupation), work (employment)