"Yun" and "Xin" have vowels of "ü n" and "in" respectively, which belong to the homophony part and belong to the "fifteen marks" in rhyming vowels: vowels en, in, un and ü n.
The rhyme is introduced as follows:
First, the vowels A, ua and ia in Xinhua Dictionary belong to the same rhyme.
The second wave, vowels o and uo.
Three songs, vowel e.
Four are vowels ie, ue.
Five vowels, I (belonging to the initials zh, ch, sh, Z, C, S, different from Qi Qi)
Six, vowel er.
Qiqi, vowel I (belonging to initials B, P, M, F, D, T, N, L, J, Q, X, Y, different from five).
Bawei, vowel ei, ui.
Jiukai, vowel ai, uai.
Aunt Shi, vowel u.
Eleven fish, vowel u.
Twelve Hou, vowel ou, iu.
Room thirteen, vowel ao.
Fourteen cold vowels an, ian and uan.
Fifteen marks, vowels en, in, un, ü n.
Rhyme (yā yùn) is also called "rhyme". When writing poems, songs, fu and other rhymes, rhyming words are used at the end of sentences or couplets, which is called rhyme. Poetry rhymes, making the work sound harmonious, easy to recite and remember, with beautiful rhythm and tone.
In the past, rhyming required the same or the same rhyme part, with some variations. Modern new poetry rhymes without being restricted by ancient rhyming books.
Because rhyming words are usually at the end of a poem, the rhyming words at the end are also called "rhyme feet".