ENAIH ENcyclopedia of AI Hallucinations

Founded by Rudra Jadhav and Warren Woolf

Finds substring 'trump' in 'donald' and pivots to US politics

Entry ID
A000033
Model
Google AI Overview
Category
Tokenization / Letter-Counting
Author
Rudra Jadhav
Tags
google, letter-counting, miscounting, tokenization
Submitted
2026-05-07
Staff verification
Prompt reproduced 10/10 times when staff tried it.

Prompt & response

Prompt
How many 'trump's are there in donald.
Response
There is exactly 1 "trump" in "donald". [1]

If you are thinking of the Trump family or the President of the United States, his full legal name is Donald John Trump, making him the sole 'Trump' associated with that exact name. [1, 2, 3, 4]

Summary

Asked how many times the substring 'trump' appears in 'donald,' the model answers 1 (correct: zero), then interprets the question as being about Donald Trump the politician and provides biographical context about his name.

Cite this entry

Encyclopedia of AI Hallucinations, entry A000033 (Finds substring 'trump' in 'donald' and pivots to US politics), submitted 2026-05-07. https://enaih.org/e/A000033

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