| Neptune(noun, blue, water, deep, sea) |
| abysm(noun, blue, water, deep, sea) |
| abyss(noun, blue, water, deep, sea) |
| ardent(adjective, hot, red, boiling, broiling) |
| basin(noun, blue, water, deep, sea) |
| black hole(noun, expression, idiom, blue, water) |
| blazing(adjective, hot, ardent, red, boiling) |
| blue(noun, water, deep, sea, brine) |
| blue water(noun, expression, idiom, blue, water) |
| boiling(adjective, hot, ardent, red, broiling) |
| breadth(noun, blue, water, deep, sea) |
| brine(noun, blue, water, deep, sea) |
| broiling(adjective, hot, ardent, red, boiling) |
| burning(adjective, hot, ardent, red, boiling) |
| canicular(adjective, hot, ardent, red, boiling) |
| cavern(noun, blue, water, deep, sea) |
| chap(noun, check, crevice, chink, cleft) |
| chasm(noun, blue, water, deep, sea) |
| check(noun, crevice, chink, cleft, cranny) |
| craze(noun, check, crevice, chink, cleft) |