The TJ sound is the SJ sound's slightly less dramatic sibling. Tricky — but not as tricky — and it's often only here in development that children start sorting out which is which. Spelling is more predictable than SJ: words starting with the TJ sound are almost always written with the letters TJ (tjuv, tjugo, tjock, tjäna) or KJ (kjol, kjusa) — or with a K before a soft vowel (Kerstin, kyss, kind, kär, köpa). Add that up and it's still manageable.
This article covers what the TJ sound is, how it differs from SJ, common pronunciation slips, and short games for the ear. At Kluriko we think TJ and SJ should be trained together — because it's the contrast between them the ear needs to learn. Our learning-games world does this with paired exercises.
What is the TJ sound?
TJ, like SJ, is a fricative — air forced through a narrow opening. The difference is where the narrow opening sits and how the tongue moves. The TJ sound is made at the front of the mouth with the front of the tongue against the alveolar ridge — somewhat like English "sh" but with the tongue slightly further forward. It's a bright, sharp sound. Say "kjol", "tjock", "kyss". Hear it? Sharp and fronted.
The difference between TJ and SJ
| | TJ | SJ | |---|---|---| | Position | Front of mouth | Back of mouth (in dark variant) | | Character | Sharp, bright | Dark, hissing | | Spelling | TJ, KJ, K + soft vowel | SJ, SK, SCH, STJ, SKJ, ... | | Example | tjugo (twenty), kjol (skirt), kär (in love) | sju (seven), skön (lovely), schal (shawl) |
Say "tjuv" and "sju" in sequence. They are different sounds. But to the child's ear under six they often sound nearly the same — which is why this contrast is so good to train.
Common pronunciation slips in children
- TJ becomes SJ. "Tjuv" becomes "sjuv". Most common 3–5.
- TJ becomes T. "Tjuv" becomes "tuv". Simplification.
- TJ becomes K. "Tjugo" becomes "kugo". Less common, but happens.
- TJ becomes CH (like English "ch" in "chair"). You hear this especially in bilingual children from English — they use a sound they already have, but it's not the Swedish TJ.
None of this is a problem under six. By six or seven, TJ should be in place for monolingual Swedish-speaking children.
Three games that train TJ
The kissing game (laughter included). "Kyss" (kiss) is a TJ word. Say "KYSS" and kiss the air. "Kär" (in love) too. "Köpa" (buy). "Kerstin". Put them in a sentence: "Kerstin köpte en kär kyss" (Kerstin bought a loving kiss). They copy. It gets a bit silly — and that's when it sticks.
The "tjusig" game. Use the word "tjusig" (fancy) about all sorts of things. "That hat is tjusig. Tjockt tyg, väldigt tjusigt. Tjugo år, väldigt tjusigt." Stretch the T-J sound. It becomes almost a play.
TJ vs SJ listening. Say a word and have them say whether it's TJ or SJ. "Sju — SJ. Tjuv — TJ. Skön — SJ. Tjugo — TJ. Schampoo — SJ." This trains the ear directly on the contrast, which is the key.
Common TJ words
TJUV (thief), TJUGO (twenty), TJOG (a score), TJOCK (thick), TJUR (bull), TJÄNA (serve/earn), TJÄNST (service), TJÄLE (frost), KJOL (skirt), KEDJA (chain), KÄLLARE (cellar), KÄR (in love), KÄRLEK (love), KÄNNA (feel), KÄPP (cane), KÄFT (jaw), KÖPA (buy), KÖTT (meat), KÖA (queue), KÖL (keel), KÖLD (cold), KÖK (kitchen), KYSS (kiss), KYLA (cold), KYRKA (church), KYCKLING (chicken), KIND (cheek), KISS (pee), KISTA (chest), KILE (wedge), KEMIST (chemist), KERAMIK (ceramic).
Print the list, read one word a day, say it with crisp TJ. In four weeks they've met the sound thirty times — and that's enough.
When should TJ be in place?
In spoken language: 5–6 years for monolingual Swedish-speaking children. In writing: as reading and writing development gets going, usually 6–7 years. Bilingual children often slightly later. If at six they say "sju" instead of "tju" — wait it out. If at seven they still can't hear the difference — it's worth mentioning to a speech therapist.
The tricky spelling
Many parents wonder which letter combination to use when writing. Here's a rough rule, not always exact but helpful:
- TJ is used when the TJ sound is followed by A, O, U or a consonant: tjuv, tjock, tjäna, tjut.
- KJ is rarer — kjol, kjusa — really just two words to memorise.
- K is used before soft vowels (E, I, Y, Ä, Ö): kyss, kär, köpa, Kerstin.
They learn this through volume, not rules. Read many books, meet the words, spelling comes along.
How Kluriko helps
Lärspel has TJ games that contrast TJ with SJ — which is exactly the practice the ear needs. We show the mouth shape for both so they see the difference visually. Short sessions often — 5–10 minutes — go a long way.