Brandable keyword/formulated combination based on the word “cleanliness” meaning ‘the state or quality of being clean or being kept clean’.
Legible: cleanlynest.com is easy to read and easy to pronounce
Memorable: cleanlynest.com is easy to remember. Familiar phrase includes “Cleanliness is next to Godliness”.
Great extension: Uses the .com extension.
Short: cleanlynest is 15 characters or less.