Use this suffix family to say that someone has a job done or causes something to happen. The examples contrast having shelves made with making people laugh; neither meaning necessarily implies force.

The idea

For a verb that takes this family, remove -mak/-mek and attach the causative to the stem. Choose ı after a/ı, i after e/i, u after o/u, and ü after ö/ü. Start with t after ç f h k p s ş t and with d otherwise. The table gives all eight shapes. Add an infinitive ending or tense and person afterwards: yap + tır + dı + k → yaptırdık.

Patterns to compare
Last vowelVoiced endingExampleVoiceless endingExample
a, ı-dıryazdırmak-tıryaptırmak
e, i-dirsildirmek-tirdiktirmek
o, u-durdurdurmak-turunutturmak
ö, ü-dürgüldürmek-türsöktürmek

Examples

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Watch out

Harmony does not tell you which causative family a verb uses. Learn okumak → okutmak, not okudurmak. In this family, do not soften the stem before the consonant: yaptırmak keeps p, and diktirmek keeps k.

Try it yourself

  1. Write the causative infinitive of yapmak: to have something made.

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    yaptırmak

    yaptırmak: remove -mak first. The p in yap requires t, and a selects ı. The result means having something made, rather than making it yourself.

  2. Write the causative infinitive of gülmek: to make someone laugh.

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    güldürmek

    güldürmek: the rounded front vowel ü stays rounded in -dür, while voiced l allows d. The resulting verb means causing someone else to laugh.

  3. Write the causative infinitive of sökmek: to have something removed.

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    söktürmek

    söktürmek: ö selects ü, but the final k requires t. Keep that k: the next sound is a consonant, so there is no change to ğ.

  4. Complete the verb: we had a tailor make a linen jacket. Use the causative of dikmek in the definite past, first person plural.

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    diktirdik

    diktirdik: dik + tir + di + k. The first k belongs to the stem; the last marks “we”. Terziye identifies the tailor who did the sewing, while we arranged it.

Use it today

Choose three verbs from the table. Build their causative infinitives, then write one sentence about a service and one about making someone laugh. Mark the causative before the tense ending.