How does keyword stemming in Japanese affect the precision of 'exact match' keyword targeting compared to English?

Keyword stemming, the process of reducing words to their root form, has a different effect on the precision of 'exact match' keyword targeting in Japanese compared to English primarily because of fundamental differences in language morphology. In English, stemming often involves removing suffixes (like '-ing', '-ed', '-s') to match variations of a word (e.g., 'running' stemmed to 'run'). 'Exact match' in English still usually accounts for minor variations like pluralization or misspellings close to the target keyword. However, Japanese is an agglutinative....