This is the 7519th most frequent Japanese word.
公男
"公男" refers to a "prince" or "duke," often indicating a nobleman or aristocratic title.
In this sentence, '公男' is used as a proper name, referring to an individual whose name is Masao. Proper nouns in Japanese often carry specific kanji, creating unique names.
公男はいつも親切で優しい人です。
Masao is always a kind and gentle person.
Here, '公男' is again used as a specific name but discussed in a generalizing context concerning its frequency or popularity.
日本には公男という名前が一般的ではありません。
In Japan, the name 'Masao' is not very common.
In this sentence, '公男' is treated as a proper noun, analyzed linguistically for its pronunciation in different linguistic contexts.