成長【せいちょう】
growth, development, growing up, becoming an adult, growth (of a company, the economy, etc.)
社長【しゃちょう】
company president, manager, director
長男【ちょうなん】
eldest son (may be the only son), first-born son
部長【ぶちょう】
head (chief, director) of a section or department, head of a (school) club, head of a (school) team
会長【かいちょう】
president (of a society), chairman
議長【ぎちょう】
chair, chairman, chairperson, speaker (of an assembly), president (of a council, senate, etc.)
課長【かちょう】
section manager, section chief
市長【しちょう】
mayor
長期【ちょうき】
long-term
延長【えんちょう】
extension, elongation, prolongation, lengthening, (total) length, extension (e.g. of one's work), continuation, extension (of a line segment), extension (property of occupying space), Enchō era (923.4.11-931.4.26)
副社長【ふくしゃちょう】
executive vice-president
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
校長【こうちょう】
principal, head teacher, headmaster, headmistress
所長【しょちょう】
head (of an office, laboratory, etc.), chief
長年【ながねん】
long time, many years
長女【ちょうじょ】
eldest daughter, first-born daughter
国務長官【こくむちょうかん】
Secretary of State
室長【しつちょう】
section chief, laboratory manager, office head, room monitor
身長【しんちょう】
height (of body), stature
学長【がくちょう】
(university) president, chancellor, principal, provost