bio

biogeography

biological

biology

board

botany

cadaster

cadastre

count

country

day

eco

ecology

environment

environmental

explore

foliage

forest

garden

green

greenie

growth

investigate

landscape

leaf

nameplate

natural

nature

number

numbering

occupation

outdoors

passport

plant

plate

pollution

reading

registration

registry

research

science

scientific

stocktaking

summer

symbol

table

trees

wildlife

wood