Quickly, run to the checkout before Wikianswers is swamped with idiotic answers!
The credit card was invalid; it was not approved at checkout.
I am not writing a sentence using that word.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I have no idea what you mean by "checkout of a text", but slang apart, the words form simply a phrase, neither sentence nor clause.
this is a sentence using the word armchair.
I am saying a sentence using the word collagen.
Please type a sentence using the word assertion.
I can write a sentence using the word scorn!
That is a sentence using the word troops.
Yes, a sentence can be made using the word "subaquatic". An example in a sentence of the word in the sentence "a marginal subaquatic flora".
My cashier at the store forgot to give me my checkout slip.