Why doesn't the plural of video add es Why does the plural of hero add es?

Nouns ending with the letter "O" denote "living" plus "es", e.g. potato, tomato, etc. and "inanimate" plus "s", e.g. video, radio
Vidio is lifeless
Hero is alive

RELATED INFORMATIONS

1. What is the plural of kangaroo
2. The last of the six letter English words is a The second of the four letter English words is a
3. In English, is the plural of a letter followed by's directly
4. Which English words (verbs) end with ing, and the last letter should be double written?
5. The plural of dear, company, quiz, mango
6. Decision noun fortunately adjective luck adverb lent reflexive pronoun company plural free NOUN
7. The plural of company as a partner
8. When do you use singular and plural in English? These are some sentences in new concept Lesson 15 1.For most of them,fifty pence is a small price to pay for a nice big bar of chocolate. 2.George was not too upset by his experience because the lady who owns the sweet shop heard about his troubles and rewarded him with a large box of chocolates. What about a dozen chocolates, a box of chocolates, etc
9. A box of chocolates is an uncountable noun. Why use the plural here? What are the rules for the plural and singular after the quantifier?
10. Chocolate plural
11. Like kangaroo, it's a living thing, but adding s at the end of the word means plural I would like to ask, like kangaroo, is a living thing, but add s at the end of the word to express the plural de. is there any example? Please note that! Kangaroo ends with O! And it's alive! I learned it!
12. The singular and plural of Japanese
13. The plural of toy is
14. Can we only add plural after a lot of
15. Is a lot of followed by a plural noun
16. I can't stand a lot of noise when I'm reading. A lot of noise
17. Excuse me: in English The plural of "Chinese"? For example, American_ Americans
18. Is the English three simple form the same as the plural form? For example, if you add es to the complex number of tomato, what does it add to the simple number of tomato?
19. Is there no singular and plural in English, Japanese and Chinese?
20. Write the plural of the following words: French English Canadian Japanese Chinese ltalian American German