thanks (teşekkürler), thank (teşekkür), thank god ((Tanrıya) şükür) When you want to thank someone you can say Teşekkürler or Teşekkür ederim (Especially if the action you thank for only cares you) Çok şükür sağlıklıyım. (Thank god I am healthy) Şükürler olsun, nihayet eve geldik. (thanks God, we came home eventually)

"teşekkürler" is used alone, means "thanks". It is plural. "ler or lar" are plural endings. "teşekkür" isn't used alone, you can use it like this "teşekkür ederim". This means "thank you". "Teşekkür" is singular. "Şükür" isn't also used alone usually. You have to say "Allah'a şükür", use it with God. it means "thank God"

teşekkürler = thank you teşekkür edrim = thank you so much شكرا جزيلا Şükür = as Lapis said it use for thanks god = الشكر لله