tube

tuba
[tjuːb] "two tubes of toothpaste" (dvě {tuby} zubní pasty)
"a toothpaste tube" (tuba od zubní pasty)

trubička
[tjuːb] "He is fed by a tube that enters his nose." (On je vyživován hadičkou/trubičkou, která mu vede do nosu.)

metro
[tjuːb] (brit. angl.) (hovor.) v Londýně; the tube; "I go to work on the tube." (Já jezdím do práce metrem.)

hadička
[tjuːb] "a silicon tube" (silikonová hadička)
"He is fed by a tube that enters his nose." (On je vyživován hadičkou/trubičkou, která mu vede do nosu.)

trubice
[tjuːb] "an air tube" (vzduchová trubice)