Word formation

Related words share a predictable root with regular fictional affixes.

Affixes

Meaning	Form	Type	Produces
agent / doer	-ro / -uro\|-iro	suffix	noun
abstract noun	-so / -uso\|-iso	suffix	noun
place	-jo / -ujo\|-ijo	suffix	noun
adjective from noun/verb	-na / -una\|-ina	suffix	adjective
adverb from adjective root	-ne / -une\|-ine	suffix	adverb
verbal noun / process	-do / -udo\|-ido	suffix	noun
patient / result	-to / -uto\|-ito	suffix	noun
causative verb	-ig / -uig\|-iig	suffix	verb
opposite / quality negation	ko	prefix	same

agent / doer

instru + ro → instruro

teach → teacher

labor + uro → laboruro

work → worker

abstract noun

bon + uso → bonuso

good → goodness

liber + uso → liberuso

free → freedom

place

lern + ujo → lernujo

learn → learning place / school

adjective from noun/verb

oro + na → orona

gold → golden

adverb from adjective root

rapid + une → rapidune

fast → quickly

bona → bone (lexical adverb pair)

good → well

verbal noun / process

instru + do → instrudo

teach → teaching

patient / result

instru + to → instruto

teach → student / pupil

causative verb

lern + uig → lernuig

learn → make learn / teach

opposite / quality negation

ko + bona → kobona

good → bad

ko + granda → kogranda

big → small

Word family: instru-

instru

teach (verb stem)

instruro

teacher

instrudo

teaching

instruto

pupil / student

instruna

instructive

instrujo

teaching place

Compounds

Compounds are stem + stem. The second stem is the head. No stem change inside compounds. Example: vapor + navo → vapornavo (steamship).

kita + tomo → kitatomo

book-house / library

sola + lumo → solalumo

sunlight