incommiscible /in-kə-misˈi-bl/

That cannot be mixed together

• rock-ribbed
• rock rose
• rock roses
• rocks
• rock salmon
• rock salt
• rock scorpion
• rock scorpions
• rockshaft
• rockshafts
• rock shoes
• rock snake
• rock snakes
• rock socks
• rock-solid
• rock sparrow
• rock sparrows
• rocksteadies
• rock-steady
• rocksteady
• rock tar
• rock temple
• rock temples
• rock the boat
• rock tripe