natural historian

noun 0.745

life history

noun 0.666

history

noun 0.662

naturalist

noun 0.636

prehistory

noun 0.635

historical

noun 0.626

ethology

noun 0.624

natural science

noun 0.613

social history

noun 0.611

naturalism

noun 0.608

art history

noun 0.603

deep history

noun 0.601

natural

noun 0.599

ology

noun 0.595

human nature

noun 0.594

geohistory

noun 0.588

family history

noun 0.586

zoology

noun 0.583

historic present

noun 0.578

geology

noun 0.570

historicity

noun 0.568

wild life

noun 0.568

wildlife

noun 0.568

herpetology

noun 0.563

case history

noun 0.557

biogeography

noun 0.556

paleontology

noun 0.556

biology

noun 0.556

ecology

noun 0.555

phenology

noun 0.554

historiography

noun 0.553

naturalness

noun 0.551

modern history

noun 0.551

palaeontology

noun 0.550

botany

noun 0.548

natural selection

noun 0.546

natural function

noun 0.545

geography

noun 0.545

ornithology

noun 0.544

life science

noun 0.544

ontology

noun 0.543

naturality

noun 0.542

horology

noun 0.542

ethnology

noun 0.540

historicism

noun 0.537

herstory

noun 0.536

evolutionary biology

noun 0.535

natural economy

noun 0.534

biography

noun 0.533

past historic

noun 0.533

natural law

noun 0.533

natural scientist

noun 0.530

physical geography

noun 0.530

horticulture

noun 0.528

histology

noun 0.527

historical research

noun 0.522

phylogeny

noun 0.522

fauna

noun 0.518

archaeology

noun 0.517

social studies

noun 0.516

evolution

noun 0.515

ethnography

noun 0.515

herbalism

noun 0.514

anthropology

noun 0.513

animal kingdom

noun 0.512

heritage

noun 0.512

entomology

noun 0.512

biological

noun 0.512

work history

noun 0.512

pathology

noun 0.512

environmental science

noun 0.511

herbology

noun 0.511

fossil record

noun 0.511

paleobiology

noun 0.510

hydrology

noun 0.510

anatomy

noun 0.509

nature lover

noun 0.509

biodiversity

noun 0.508

natural product

noun 0.508

ichnology

noun 0.508

microhistory

noun 0.507

narrative

noun 0.507

hunting

noun 0.506

sociobiology

noun 0.506

systematics

noun 0.505

nativity

noun 0.504

story

noun 0.504

physiology

noun 0.504

palaeobiology

noun 0.504

marine biology

noun 0.504

flora

noun 0.503

primatology

noun 0.503

basic science

noun 0.502

historian

noun 0.502

habitat

noun 0.502

naturopathy

noun 0.501

science

noun 0.500