一いち台だい

い

ち

だ

い

Common wordJLPTN5

Meanings

1

noun

one machine; one vehicle

Counter for one mechanical or wheeled item, such as a car, computer, or appliance.

二に台だい
Two machines or vehicles; the counter 台 is used for the same category of items.
一いっ個こ
One small object; 個 is a general counter for small items, while 台 is for larger mechanical or wheeled objects.

Compound of 一 (one) and the counter 台 (for machines and vehicles).