How to spell COOLAGEN correctly?

Collagen might be the intended word. Other possible options could be "coolant" or "College". However, context is crucial to determine the correct spelling. If in doubt, using a search engine to suggest similar words and to check for correct spelling is always useful.

• collage Artist Sally Davies created a collage with cut-out images of people she met on her travels.
• collagen Collagen is responsible for the strength and elasticity of the skin.
• collages She spent all night creating collages for her scrapbook.

Contempories

• contemporaneous
• contemporaries
• contemporary
• contemptuous
• cotemporaries