Kanji with radical 穴

contain, form, looks

empty, sky, void, vacant, vacuum

research, study

stab, protruding, thrust, pierce, prick, collision, sudden

withdraw, draw in, hold back, refrain from, be moderate

window, pane

melt, dissolve, thaw

hole, aperture, slit, cave, den

hard up, destitute, suffer, perplexed, cornered

plug up, obstruct

stealth, steal, secret, private, hushed

squeeze

kiln, oven, furnace

cavern