-an denotes a Partisan of, a Member, an Inhabitant: Kristo, Christ, Kristano, a Christian; eklezio, a church, ekleziano, a churchman; Londonano, a Londoner.—Ano, a member.
-ar denotes a Collection of, a Number of: arbo, tree, arbaro, a forest; homo, a human being, homaro, mankind; vorto, a word, vortaro, a dictionary.—Aro, a collection, number, gathering.
-ĉj added to the first two to five letters of a word, is used to denote Masculine Diminutives of Endearment: Johano, John, Joĉjo, Jack; patro, father, paĉjo, papa, daddy.
-ebl denotes Possibility, and corresponds to the English suffixes -ABLE, -IBLE: kredi, to believe, kredebla, credible; videbla, visible; al, to, iri, to go, alirebla, accessible.
-ec denotes Abstract Ideas, Qualities and corresponds to the English suffixes -NESS, -SHIP, etc.: feliĉa, happy, feliĉeco, happiness; alta, high, alteco, height; reĝo, king, reĝeco, kingship.
-eg denotes Augmentation, Intensity of Degree: granda, big, great, grandega, enormous; bela, beautiful, belega, magnificent; ŝtono, stone, ŝtonego, rock; pafilo, a gun, pafilego, cannon.
-ej denotes a Place specially set apart for or allotted to: preĝi, to pray, preĝejo, church; manĝi, to eat, manĝejo, refectory; kuirejo, kitchen; enirejo, entrance; elirejo, exit.
-em denotes Propensity, Inclination, Disposition: paroli, to talk, parolema, talkative; mensogi, to lie, mensogema, untruthful.
-er denotes an Element of, a Unit, a Grain: polvo, dust, polvero, a grain of dust; fajrero, a spark; hajlero, hailstone; mono, money, monero, a coin.—Ero, particle, grain, element.
-estr denotes a Chief, Leader, Head: regno, state; regnestro, head of the state, ruler; lernejo, school, lernejestro, head-master.—Estro, leader, chief; estraro, the authorities; estri, to act as chief.