subterranean

adj 0.861

subterraneous

adj 0.858

terrestrial

adj 0.733

underground

adj 0.732

semisubterranean

adj 0.728

hypogeous

adj 0.707

terrene

adj 0.687

terraqueous

adj 0.682

terricolous

adj 0.680

tellurian

adj 0.675

chthonian

adj 0.666

chthonic

adj 0.653

troglobitic

adj 0.649

telluric

adj 0.648

troglodytic

adj 0.644

earthen

adj 0.642

earthly

adj 0.641

subsurface

adj 0.634

subcrustal

adj 0.632

cavernicolous

adj 0.631

undersea

adj 0.630

epigean

adj 0.630

earthy

adj 0.622

terrigenous

adj 0.616

fossorial

adj 0.603

interred

adj 0.601

underwater

adj 0.594

semiterrestrial

adj 0.592

geological

adj 0.590

caverned

adj 0.589

geologic

adj 0.589

crustal

adj 0.588

plutonic

adj 0.580

tenebrous

adj 0.580

stygian

adj 0.579

unearthed

adj 0.579

arboreal

adj 0.578

subaqueous

adj 0.577

sepulchral

adj 0.576

trenching

adj 0.574

benthic

adj 0.572

submerged

adj 0.572

unearthly

adj 0.570

abyssal

adj 0.569

subjacent

adj 0.569

earthed

adj 0.567

substratal

adj 0.567

buried

adj 0.566

geotropic

adj 0.566

undermost

adj 0.565

underneath

adj 0.565

troglomorphic

adj 0.564

hypogene

adj 0.564

infernal

adj 0.563

cavernous

adj 0.563

tectonic

adj 0.562

parautochthonous

adj 0.561

underfoot

adj 0.559

subglacial

adj 0.558

geocentric

adj 0.558

submarine

adj 0.558

speleological

adj 0.558

recondite

adj 0.557

earthborn

adj 0.553

submergent

adj 0.551

underlying

adj 0.550

underfloor

adj 0.549

submersible

adj 0.549

submontane

adj 0.548

clandestine

adj 0.546

ground

adj 0.543

deep-level

adj 0.542

tergal

adj 0.542

terraced

adj 0.540

deep

adj 0.540

phreatic

adj 0.538

subbottom

adj 0.537

tropospheric

adj 0.535

palustrine

adj 0.535

sedimentary

adj 0.534

otherworldly

adj 0.533

tern

adj 0.533

antediluvian

adj 0.533

epigeal

adj 0.533

petrous

adj 0.533

deep-set

adj 0.533

lithospheric

adj 0.532

cratonic

adj 0.532

terminal

adj 0.531

inmost

adj 0.530

autochthonic

adj 0.530

terracotta

adj 0.529

entopeduncular

adj 0.529

ternal

adj 0.529

teratologic

adj 0.529

sublunar

adj 0.529

labyrinthian

adj 0.528

teneral

adj 0.528

sunken

adj 0.528

sublunary

adj 0.528