- Arabic: قَوَّى (qawwā)
- Bulgarian: подсилвам (bg) (podsilvam), укрепвам (bg) (ukrepvam)
- Catalan: reforçar (ca)
- Chinese:
- Mandarin: 加強/加强 (zh) (jiāqiáng)
- Dutch: versterken (nl), vergroten (nl), verhogen (nl)
- Finnish: vahvistaa (fi), tukea (fi) (structure, building)
- French: renforcer (fr)
- Galician: reforzar (gl)
- Georgian: გამყარება (gamq̇areba)
- German: verstärken (de), aussteifen, versteifen (de)
- Gothic: 𐍄𐌿𐌻𐌲𐌾𐌰𐌽 (tulgjan)
- Greek: ενισχύω (el) (enischýo)
- Hebrew: חִזֵּק (he) (ẖizzéq)
- Hungarian: megerősít (hu), megszilárdít (hu), merevít (hu)
- Irish: neartaigh le, treisigh
- Italian: rinforzare (it)
- Japanese: 補強する (ja) (ほきょうする, hokyō suru), 加強 (ja) (kakyō)
- Korean: 보강하다 (bogang-hada)
- Latin: corrōborō
- Macedonian: по́тсили (pótsili), за́јакне (zájakne), по́ткрепи (pótkrepi)
- Maori: whakakaha, taunaki, whakamarohi
- Persian: تقویت کردن (taqviyat kardan)
- Portuguese: reforçar (pt)
- Russian: подкрепля́ть (ru) impf (podkrepljátʹ), подкрепи́ть (ru) pf (podkrepítʹ), укрепля́ть (ru) impf (ukrepljátʹ), укрепи́ть (ru) pf (ukrepítʹ)
- Spanish: reforzar (es)
- Swedish: förstärka (sv), armera (sv)
- Turkish: sağlamlaştırmak (tr), kuvvetlendirmek (tr), takviye etmek (tr), tahkim etmek (tr) (archaic), pekiştirmek (tr), berkitmek (tr)
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