The incorrectly spelled word is:

Spacios

The correct spelling is "Spacious." "Spacious" means having ample space or roomy.

The other options are spelled correctly:

• Lyre: Refers to a stringed musical instrument.
• Irrespective: Means without regard or regardless.
• Soluble: Describes something that can be dissolved, usually referring to a substance's ability to dissolve in a liquid.