Verb, Noun, Adjective, Adverb

word classifications
verb (kata kerja)	noun (kata benda)	adjective (kata sifat)	adverb (keterangan)
Study	studies	student	studying
develop	developer	developmental	develop
beautifully	beauty	beautiful	beautify
walker	walk	walking	walked
brightly	bright's	bright	brighten
darkly	darkey	dark	darkened
read	reader	readable	readdress
productively	production	productive	productivity
advertise	advertisement	advertiser	advertised
improve	improver	improvable	improved
present	presentiment	presentable	presented
open	opener	openhanded	operate
live	livelihood	livelier	lived
study	studies	student	studying