レンタカー
レンタカー · rentakaa · JLPT N1 · noun
car
🚗 レンタカー = rent + car, a car you rent (レンタル rentaru + car)
Katakana loanword from English 'rent-a-car': the rental service is 'rent', so 'rentaa' is the same word shortened and stretched, with the long vowel at the end. Sounds like 'rent a car' said fast.