worthy opponent, worthy rival, good match

資本主義: capitalism

mu (Greek letter)

montage

Clipping of 特殊相対性理論 (tokushu sōtaisei riron, “special relativity”).

newcomer

tulle

Brittany (a region of France)

(computing) character whose appearance may depend on a user's environment, or a character which may be absent from a user's environment, i.e. character set incompatibility

Syracuse (a city in New York)