It really depends on the context... Since you used the example 'a piercing squeak', then I think the synonyms you're looking for are ear-splitting, high-pitched, shrill, blaring, deafening, or roaring. There are other synonyms for "piercing" when used in other contexts, though:
Those are the main alternate uses and related synonyms for the word "piercing". Hope that helps!
ie. tatooing + piercing...it is mutilation and forbidden.
well another word for capture would be take but with an ie or ei im not sure
soldier
yield
That is an example of an anagram.
The answer to question restless or short tempered is impatient
"State" ie. I stipulated to the class that the quiz MUST be written in blue ink... "declare" ie. I stipulate that this shopping mall is now open to the public!
"partnership" or "mutually beneficial" ie. Ants and peonies have a symbiosis or symbiotic relationship. (Peonies will not bloom unless they have ants on them.)
The word "friend" has a short e sound but is spelled with an ie.
I think the word you may be looking for is "miscellaneous." Miscellaneous refers to an indiscriminate mix of random things with no particular order. ie: I bought milk and some other miscellaneous stuff at the store today.
"Fierce" is a word that contains "ie" and rhymes with "pierce."
In the word "fiery," the IE makes the long E vowel sound as in "see" or "be."