When you spend some time transcribing live, impromptu speech, you'll notice that it often doesn't follow the rules of written grammar; speakers frequently abandon sentences midway through.
For example, in the linked clip[^1], the speaker says:
"uh the European Union uh that's not a US creation that's a you guys creation so don't ex..[abandoned word] the strength of the west [abandoned sentence] and the west is a really I don't know what"
For a moment, she struggles to express herself. Yet, there's a qualitative difference between not knowing what to say because a thought is not fully formed, and knowing what you want to say but realizing you've forgotten the specific word you need. For instance, you might be about to say "cherry," only to find you've forgotten the word and instead say something more general, like "forest fruit (fruta de bosque)," which is still correct but less precise.
For example, in the linked clip[^1], the speaker says:
For a moment, she struggles to express herself. Yet, there's a qualitative difference between not knowing what to say because a thought is not fully formed, and knowing what you want to say but realizing you've forgotten the specific word you need. For instance, you might be about to say "cherry," only to find you've forgotten the word and instead say something more general, like "forest fruit (fruta de bosque)," which is still correct but less precise.[^1]: https://youtu.be/_hBd8w-Hlm4?si=7-kvpUoeYo5ODPiI&t=787