spelunking

noun 0.804

caver

noun 0.677

speleology

noun 0.675

cave dweller

noun 0.661

adventurer

noun 0.605

archaeologist

noun 0.601

burrower

noun 0.599

tunneler

noun 0.599

scuba diver

noun 0.595

climber

noun 0.594

explorer

noun 0.583

excavator

noun 0.581

caving

noun 0.580

speleothem

noun 0.578

prospector

noun 0.575

minesweeper

noun 0.573

searcher

noun 0.572

digger

noun 0.570

cavern

noun 0.569

troglodyte

noun 0.567

snorkeler

noun 0.564

tunnel rat

noun 0.564

diver

noun 0.560

scavenger

noun 0.559

snooper

noun 0.556

alpinist

noun 0.554

speculator

noun 0.553

cave

noun 0.553

coalminer

noun 0.550

sleuth

noun 0.548

skier

noun 0.548

mineworker

noun 0.548

skydiver

noun 0.546

potholing

noun 0.545

geologist

noun 0.544

caveman

noun 0.542

mountaineer

noun 0.540

sapper

noun 0.539

speller

noun 0.537

hiker

noun 0.535

scavenger hunt

noun 0.535

creeper

noun 0.534

paleontologist

noun 0.534

skulker

noun 0.533

volcanologist

noun 0.532

pearl diver

noun 0.532

thrill-seeker

noun 0.531

quarryman

noun 0.529

platformer

noun 0.529

gamer

noun 0.527

adventurist

noun 0.527

sponger

noun 0.527

scooper

noun 0.526

miner

noun 0.526

dowser

noun 0.526

plunderer

noun 0.525

geoscientist

noun 0.522

spaceman

noun 0.522

cavewoman

noun 0.521

lurker

noun 0.520

dweller

noun 0.519

crystallographer

noun 0.518

sneak thief

noun 0.518

seeker

noun 0.517

scrapper

noun 0.516

caveator

noun 0.516

scrounger

noun 0.516

saboteur

noun 0.514

burglar

noun 0.513

urban exploration

noun 0.512

looter

noun 0.512

plumber

noun 0.512

trekker

noun 0.512

spiller

noun 0.511

gopher

noun 0.510

discoverer

noun 0.506

fortune hunter

noun 0.506

mineralogist

noun 0.506

scuba

noun 0.505

safecracker

noun 0.504

investigator

noun 0.504

exploder

noun 0.504

stomper

noun 0.504

researcher

noun 0.504

gravedigger

noun 0.503

skeptic

noun 0.503

scraper

noun 0.503

geocache

noun 0.502

driller

noun 0.502

outdoorsman

noun 0.502

plunger

noun 0.502

crawl space

noun 0.502

bungee jumper

noun 0.502

spotter

noun 0.502

spy

noun 0.501

venturer

noun 0.501

treasure hunt

noun 0.500

hydrogeologist

noun 0.500