coomb¹, coombe, comb or combe /koom/

1. A short deep valley
2. A hollow in a hillside

• substitutionally
• substitutionary
• substitution product
• substitution products
• substitutions
• substitutive
• substitutively
• substitutivities
• substitutivity
• substract
• substracted
• substracting
• substraction
• substractions
• substractor
• substractors
• substracts
• substrata
• substratal
• substrate
• substrates
• substrative
• substratosphere
• substratum
• substruct