With o? Noun at the end, plural:
1, plus s, for example?
Piano-piano; Radio broadcasting; Zoo-Zoo Zoo;
2. add es,
Such as: potatoes-potatoes and tomatoes; Tomatoes-tomatoes and potatoes
3. either,
For example: zero zero/zero zero
Extended data:
The changing law of noun plural
1, in most cases, s is added after nouns, and s is pronounced after consonants are clear.
2. words ending in s, x, sh and ch are pronounced iz by adding ES, es and es at the end of the word.
3. words ending in f and fe, remove f or Fe, add ves, and ves is pronounced vz.
Words ending in consonants and y change from y to ies. Such as story → story
5. for words ending in vowels and y, add s directly. Like boys, boys, boys, Hibika.