How to say "erosion" in Japanese

• 腐食ふしょくCommon
  noun, suru verb, transitive verb, intransitive verbCovers rot and decay, and corrosion of material such as rusting metal. Its 'erosion' is this corrosion sense, not the erosion of market share or rights.
  その神社じんじゃの腐食ふしょくの原因げんいんの一ひとつは酸性雨さんせいうである。↗

  The decay of the shrine is due, in part, to acid rain.
• 侵食しんしょくCommon
  noun, suru verb, transitive verbErosion as gradual encroachment: market share or rights being eaten away over time. The related senses of encroachment and invasion carry the same image of something steadily being taken over.
  都市化としかが田園でんえん生活せいかつをどんどん侵食しんしょくしています。↗

  Urbanization is encroaching on rural life.
• 浸食しんしょくCommon
  noun, suru verb, transitive verbThe literal sense of 'erosion': ground or soil being gradually worn away, plus corrosion. Homophonous with 侵食; the differing written forms are what distinguish the two words.

Choose 浸食 for literal erosion of land and corrosion, 侵食 for figurative erosion such as the loss of market share or rights, and 腐食 for rot, decay and corrosion of materials such as rusting metal.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 腐食ふしょくrot
• 侵食しんしょくencroachment
• 浸食しんしょくerosion
• びらんsore
• 溶損ようそんerosion
• 水食すいしょく(water) erosion