common

A piece of open land for public use, often found in a village or town. It can also refer to something that is shared by or belonging to two or more people or things. The abstract concept of "common" as a noun, such as in phrases like "the common good" or "having something in common," often lacks a single, direct word equivalent in Japanese. Instead, Japanese typically uses more specific noun phrases, such as 共通点 (kyōtsūten) for "points in common" or 共通の利益 (kyōtsū no rieki) for "common benefit/good," because the nuance of what is shared or collective is often explicitly stated rather than implied by a single noun form of "common."

• The villagers gathered on the village common for the festival. — The open land where the villagers met for the festival.
• They found they had many interests in common. — They discovered they shared many similar interests.

Occurring, found, or done often; prevalent; not rare or special. It can also describe something shared by, belonging to, or affecting all members of a group or the general public. While core meanings like 'ordinary' or 'usual' have very direct equivalents in Japanese (e.g., 普通 [futsuu]), the adjective "common" when referring to a universal or generally accepted idea, or a shared characteristic (e.g., "a common belief" or "a common ancestor"), often requires more contextual phrasing in Japanese to convey the specific nature of the shared concept. There isn't a single adjectival form that universally covers all these shared abstract senses without specifying what is being shared.

• It's common for students to feel nervous before exams. — It is usual for students to be nervous.
• English is a common language in international business. — English is a language shared and used by many in international business.