How do you spell gailec?

There is no common word spelled "gailec". It's possible you're thinking of a different word or a name.

Could you please provide more context?

For example:

* Is it a name? If so, do you know any other information about the person, like their origin or a nickname?

* Is it a word in a specific language? If so, what language is it?

* Is it a misspelling of another word?

With more information, I can help you figure out the correct spelling!