How to say "bogus" in Japanese

• 偽にせCommon
  no-adjectiveCovers bogus in the concrete sense of an imitation or counterfeit of something genuine — a bogus bill, passport, or brand-name article. It points to the thing itself not being what it claims to be.
  それは贋にせの真珠しんじゅにすぎない。↗

  It is merely an imitation pearl.
• インチキCommon
  na-adjective, nounCovers bogus in the sense of sham or fraudulent — something passed off by trickery, such as a bogus scheme or a quack. The nuance is cheating and deception rather than a physical imitation.

Use 偽 for bogus things that are counterfeits or imitations of a genuine article, and 「インチキ」 for bogus in the sense of sham or fraudulent, implying trickery or cheating rather than mere imitation.

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

• 偽にせimitation
• いんちきfake