“false”

Connects at least two alternative words, phrases, clauses, sentences, etc., each of which could make a passage true.

Supposing that, assuming that, in the circumstances that; suppositive used to introduce a condition that may be (or prove to be) either true or false.

A falsehood may spread widely before it can be counteracted with the truth.

A limited understanding of a subject can lead individuals to overestimate their expertise, often resulting in errors or misguided decisions due to false confidence.