Your question is confusing and I think it is partly because of your word choice but mostly because you do not understand how to speak English yet.
It depends on the context, but possibly: option, opportunity, choice,
Yes, synonyms for the word "choice" include "option," "selection," "alternative," and "decision." Each of these words can convey a similar meaning depending on the context in which "choice" is used.
It is not possible to know why that word is confusing without providing that word. However, the word may be confusing to you because it is the first time you've seen or heard it.
The word for giving a confusing explanation is "equivocation."
The word sought may be "decide" (make a choice).A similar word is diseased, displaying an illness or condition.
In Word menus is a choice between 'overstrike' and 'insert'. (or something similar.) One replaces the character, the other inserts a new character. enjoy.
yes
Puns are a type of word play that relies on confusing similar words and phrases, often for humor. Puns can make you groan or laugh.
confusing
confusing
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Option or alternative will show a choice between two.