underneath

lower

Reduce or move downward

• bottomLowest point or underside
• underfootBeneath one's feet
• submergedBelow water's surface

covered · underbelly · substratum · underhang · overhang · canopy · awning · shelter · umbrella · eaves

concealed

Made invisible deliberately

• buriedPlaced beneath earth
• obscuredMade hard to perceive
• veiledConcealed or obscured

covered · shrouded · masked · invisible · unseen · latent · lurking · submerged · underground · tucked

underground

Below ground or countercultural

• caveUnderground hollow in rock
• tunnelEnclosed underground route
• burrowAnimal's dug dwelling

cavern · grotto · excavation · mine · subway · cellar · basement · crypt · vault · catacomb

base

Supporting bottom structure

• supportTo uphold or sustain
• groundworkFoundational preparation for something
• bedrockSolid stone underground

substrate · underpinning · substructure · footing · framework · scaffolding · infrastructure · cornerstone · structural · load-bearing

close

Nearby or to shut

• skinBody's outer layer
• clothingBody coverings worn daily
• layersStacked levels or coatings

lingerie · bare · naked · undressed · body · flesh · touching · pressed · nestled · snuggled

facade

Deceptive outward appearance

• exteriorOuter portion
• appearanceOutward visible form
• surfaceOutermost boundary layer

veneer · outward · mask · pretense · guise · persona · front · seeming · ostensible · skin-deep

• Downward directionsdown, below, downstairs, underground, downhill
• undergroundunderground, subterranean, cave systems, tunnels, tunnel
• "Low" meaningsbottom, ground, floor, base, valley
• directionsnorth, south, east, west, left
• Over/Under Wordsabove, below, overhead, on top, atop
• prepositionsabove, about, across, after, along