二つ（ふたつ）— two (general counter)
卵 を 二つ ください。
Two eggs, please.
二つふたつ
two (general counter)
ふたつ
accent [3]In detail
Words
卵tamagoeggs
をo(object marker)
二つfutatsutwo items
くださいkudasaiplease give me
Kanji
二ニ・
二つ is read ふたつ. Compare 二人 (ふたり), “two people,” which shares the ふた part.
Coco-sensei