同おない年どし

お

な

い

ど

し

JLPTN2Freq.FrequencyTop 20,000

Meanings

1

noun, noun which may take the genitive case particle 'no'

the same age

Used to say that two or more people are the same age. Often appears as 同い年だ or 同い年の.

同おない年どしの友とも達だちがたくさんいる。

I have many friends who are the same age as me.

〈人ひと〉と同おない年どしto be the same age as someone
彼かれは私わたしと同おない年どしです。
He is the same age as me.
同おない年どしの〈人ひと〉a person who is the same age
同おない年どしの友とも達だちがたくさんいる。
I have a lot of friends who are the same age as me.
同おない年どしぐらいabout the same age
隣となりの子こは私わたしと同おない年どしぐらいだと思おもう。
I think the kid next door is about the same age as me.

同どう年ねん
同い年 is the casual, spoken way to say two people are the same age, while 同年 is more formal and typically used in writing.
同どう時じ代だい
同い年 specifically means the same age for people, while 同時代 more broadly refers to living in or belonging to the same era.

同どう級きゅう生せいN1
同い年 means being the same age, whereas 同級生 means being in the same class/grade, which does not always imply the same age.

同おない年どしUsage97%
Standard kanji spelling; the 同い reading is irregular but well-established.
おないどしUsage3%

Compound of 同い (onaji, 'same') with an irregular reading shift and 年 (toshi, 'year/age'). The reading おない is a euphonic change from おなじ.