長い【ながい】
long (distance, length), long (time), protracted, prolonged
社長【しゃちょう】
company president, manager, director
会長【かいちょう】
president (of a society), chairman
部長【ぶちょう】
head (chief, director) of a section or department, head of a (school) club, head of a (school) team
船長【せんちょう】
ship's captain, skipper, length of a ship, boatman
成長【せいちょう】
growth, development, growing up, becoming an adult, growth (of a company, the economy, etc.)
艦長【かんちょう】
captain (of a warship)
隊長【たいちょう】
commanding officer
市長【しちょう】
mayor
校長【こうちょう】
principal, head teacher, headmaster, headmistress
長年【ながねん】
long time, many years
課長【かちょう】
section manager, section chief
署長【しょちょう】
chief (of police), head (of office)
店長【てんちょう】
shop manager
長官【ちょうかん】
secretary (government), director, chief
身長【しんちょう】
height (of body), stature
室長【しつちょう】
section chief, laboratory manager, office head, room monitor
官房長官【かんぼうちょうかん】
Chief Cabinet Secretary (Japan), Chief of Staff (to the President, Prime Minister, etc.), Cabinet Secretary, Executive Secretary
長期【ちょうき】
long-term
国務長官【こくむちょうかん】
Secretary of State