There was already evidence last year[1] that pointed to ChatGPT-specific words like "meticulous," "delve," etc becoming more frequently used than they were previously. The linked study used audio of academic talks and podcasts to determine this.

[1] https://arxiv.org/abs/2409.01754

Part of me wanted to object to those two examples, which I’ve used frequently since the reaching adulthood in the 80s. Another part of me has been triggered by an apparent uptick in the word “crisp”, which my gut takes as an coding-LLM tell.