-an denotes an inhabitant, member, or partisan: urbano = a town-dweller; Kristano = a Christian.
-ar denotes a collection: vortaro = a dictionary; arbaro = a forest; homaro = mankind.
-ĉj denotes masculine affectionate diminutives: paĉjo = daddy; Arĉjo = Archie.
-ebl denotes possibility: kredebla = credible.
-ec denotes abstract quality: boneco = goodness.
-eg denotes great size or intensity: grandega = enormous; varmega = intensely hot.
-ej denotes place: lernejo = a learn-place, a school.
-em denotes propensity to: lernema = studious; kredema = credulous.
-er denotes one out of many, or a unit of a mass: sablero = a grain of sand; fajrero = a spark.