thermophile

noun 0.777

hyperthermophile

noun 0.774

halophile

noun 0.688

extremist

noun 0.656

extremal

noun 0.632

extreme

noun 0.625

psychrotolerant

noun 0.623

chalcophile

noun 0.615

technophile

noun 0.610

mesophile

noun 0.605

hydrophile

noun 0.594

xerophyte

noun 0.587

extremeness

noun 0.581

extremism

noun 0.577

ectotherm

noun 0.574

extreme sport

noun 0.571

halophyte

noun 0.567

extremality

noun 0.563

archaeon

noun 0.560

endotherm

noun 0.560

exobiology

noun 0.553

astrobiologist

noun 0.548

ectoparasite

noun 0.542

necrophile

noun 0.539

extremity

noun 0.539

extremum

noun 0.538

amphiphile

noun 0.533

exotoxin

noun 0.530

extrovert

noun 0.529

archaebacterium

noun 0.529

phototroph

noun 0.527

endophyte

noun 0.527

aerobe

noun 0.526

anaerobe

noun 0.525

acidophil

noun 0.524

survivalist

noun 0.523

mutant

noun 0.522

astrobiology

noun 0.522

enthusiast

noun 0.522

siderophile

noun 0.521

ecotype

noun 0.520

microbe

noun 0.520

exospore

noun 0.519

electrophile

noun 0.519

epiphyte

noun 0.517

extrahuman

noun 0.516

tardigrade

noun 0.513

thrill-seeker

noun 0.513

methanogen

noun 0.513

adrenaline junkie

noun 0.509

ectomorph

noun 0.508

phytopathogen

noun 0.507

microbial

noun 0.507

endospore

noun 0.506

prokaryote

noun 0.506

microorganism

noun 0.504

heterophile

noun 0.502

microbiologist

noun 0.501

biologist

noun 0.501