5th的同義字5th is short for fifth, 2nd is short for second and 4th (not 4rd) is short for fourth. 3rd is short for third. First, second, third, fourth, fifth, sixth.....

"Is there any pronunciation exception rule when there's two 4rd tones in a row? 💙Is this natural? (Chinese language) "用 英語 (美國) 要怎麼說？ | HiNative 更新於 2020年8月16日 Jennyfur …

"First (1st), Second (2nd), Third (3rd), Fourth (4rd), Fifth (5th), Sixth (6th), Seventh (7th), Eighth (8th), Ninth (9th), Tenth (10th), please?"用 韓語 要怎麼說？