通 （ツウ） authority, expert, connoisseur, well-informed person, counter for messages, letters, notes, documents, etc., understanding (esp. of male-female relations), tact, insight, supernatural powers, magical powers

通院 （ツウイン） going to the hospital for regular treatment

疎通 （ソツウ） (mutual) understanding, communication, passing without obstruction

富士通 （フジツウ） Fujitsu

通 （ツウ） authority, expert, connoisseur, well-informed person, counter for messages, letters, notes, documents, etc., understanding (esp. of male-female relations), tact, insight, supernatural powers, magical powers

通院 （ツウイン） going to the hospital for regular treatment

通る （とおる） to go by, to go past, to go along, to travel along, to pass through, to use (a road), to take (a route), to go via, to go by way of, to run (between; of a rail service, bus route, etc.), to operate (between), to connect, to go indoors, to go into a room, to be admitted, to be shown in, to be ushered in, to come in, to penetrate, to pierce, to skewer, to go through, to come through, to permeate, to soak into, to spread throughout, to carry (e.g. of a voice), to reach far, to be passed on (e.g. of a customer's order to the kitchen), to be relayed, to be conveyed, to pass (a test, a bill in the House, etc.), to be approved, to be accepted, to go by (a name), to be known as, to be accepted as, to have a reputation for, to be coherent, to be logical, to be reasonable, to be comprehensible, to be understandable, to make sense, to get across (e.g. of one's point), to be understood, to pass for, to come across as, to seem like, to be straight (e.g. wood grain), to be well-informed, to be wise, to do ... completely, to do ... thoroughly

通り （とおり） avenue, street, way, road, coming and going, street traffic, flow (of water, air, etc.), transmission (of sound), reach (e.g. of voice), fame, reputation, popularity, the same status or way, as (e.g. as expected, as I said), understanding, comprehension, counter for sets of things, counter for methods, ways, types

通り過ぎる （とおりすぎる） to go past, to pass, to pass by

通す （とおす） to stick through, to force through, to spread throughout, to thoroughly diffuse, to make a path between two points, to proceed in a logical manner, to let pass, to allow through, to lead (someone) into (a house, room, etc.), to show in, to go through (a middleman), to (look, listen) through (a window, wall, etc.), to pass (a law, applicant, etc.), to force to accept, to force agreement, to continue (in a state), to persist in, to do to the entirety of, to cover all of, to span the whole ..., to do from beginning to end without a break, to convey (one's ideas, etc.) to the other party, to do to the end, to carry through, to complete

通し （とおし） continuing from beginning to end, continuous run, consecutive run, appetizer, starter, hors d'oeuvre, performance of an entire play

通し切符 （とおしきっぷ） through ticket (e.g. rail, air), ticket good for multiple performances (e.g. both matinee and evening shows), all-day ticket, season ticket

切通し （きりどおし） road (or railway) cut through hilly terrain, cutting

通う （かよう） to go to and from (a place), to go back and forth between, to run between (e.g. bus, train, etc.), to ply between, to go to (school, work, etc.), to attend, to commute, to frequent, to circulate (e.g. blood, electricity), to be communicated (e.g. thought), to resemble