Belarusian is an Eastern Slavonic language. There are estimated 7.5 million speakers in Belarus. It is very closely related to Russian and Ukrainian. Most Belarusians are bilingual in Belarusian and Russian. SpellRich.com now support Belarusian language. You can use the tools below.
Azerbaijani is spoken estimated by 32.2 million people mainly in Azerbaijan, Iran, Georgia, Russia and Turkey, and also in Iraq, Syria and Turkmenistan. Azerbaijani language is closely related to Turkish, Turkmen and Crimean Tatar. In 1922 the Latin alphabet was adopted to write Azerbaijani in northern Azerbaijan.
You can visit the Azerbaijani Spelling Checker here, please note that the spelling checker is not complete and still need improvement. Please leave comment and feedback for improvement.