This is the 8226th most frequent Japanese word.
常用
"常用" means "common use" or "frequent use."
The word '常用' is used here to signify something that is frequently or habitually used.
この単語は日常生活ではあまり常用されていない。
This word is not commonly used in everyday life.
Here '常用' is used to discuss something being taken or used regularly, often with implications of frequency and reliance.
その薬は常用するべきではない。
That medicine should not be used habitually.
In this sentence, '常用' conveys the meaning of something being frequently employed or utilized in specific contexts, such as formal communication.