便 - convenience, facility, excrement

mail service; postal service; mail; post

flight (e.g. airline flight); trip (e.g. train trip); service

urine; piss; pee; urination

toilet; lavatory; water closet; restroom; bathroom

special delivery mail; express delivery post

inconvenience; inexpediency; unhandiness

convenience; handiness; usefulness

post office

convenience; accommodation; advantage; benefit; expediency

taking advantage of (an opportunity); jumping on the bandwagon

writing paper; stationery; notepaper

news; tidings; information; correspondence; letter