OSM tag name=惣岳山 matches 惣岳山 in these Wikidata fields:
OSM tag name:en=Mt. Sogaku matches Mount Sōgaku in these Wikidata fields:
OSM tag name:en=Mt. Sogaku matches Mount Sogaku in these Wikidata fields:
OSM tag name:ja-Latn=Sōgakusan matches Sōgaku San in these Wikidata fields: