Solutions Three-sided has 26 entries with similar clues
- cwmSteep-sided hollow at the head of a valley
- epeeThree-sided sword
- biasOne-sidedness
- gulfSteep-sided valley
- abyssSteep-sided valley
- gulchNarrow steep-sided ravine
- chasmSteep-sided valley
- canyonA steep-sided valley
- defileSteep-sided narrow gorge
- squareFour-sided geometrical figure
- decagonTen-sided figure
- hexagonSix-sided figure
- rhombusFour-sided figure
- pentagonFive-sided figure/shape
- triangleThree-sided figure
- heptagonSeven-sided figure
- bilateralTwo-sided
- versatileMany-sided in abilities
- dodecagonTwelve-sided figure
- unilateralOne-sided
- rectanglesFour-sided figures
- rift-valleySteep-sided valley formed by subsidence
- tetragon___Four-sided closed figure
- parallelogramFour-sided geometrical figure
- quadrilateralFour-sided geometrical figure
- udi-unilateral-declaration-of-independenceOne-sided declaration of independence