You may try to evaluate spell & grammar checking functionality for a chosen language on the supported languages demo page. Here is a list of all available and supported languages with their short codes.# Language Spelling Grammar Country Short code Localization Number of words Comments Auto Detect auto - - Auto detect defines a language and sets a correct language for further check. AI-based English + + en_AI - - The beta version; general English. AI-based German + + de_AI - - The beta version AI-based Spanish + + es_AI - - The beta version 1 Afrikaans + South Africa af_ZA 2 Albanian + Albania sq_AL 3 American English + + United States en_US en-us 142,375 4 Amharic + Ethiopia am_ET 5 Arabic + + ar_SA NEW | 5.5.9 6 Argentinian Spanish + + Argentina es_AR 7 Australian English + + Australia en_AU 8 Austrian German + + Austria de_AT 9 Bengali + India bn_IN 10 Brazilian Portuguese + + Brazil pt_BR pt-br 10,394,016 11 British English + + The United Kingdom en_GB en-gb 145,296 12 Bulgarian + Bulgaria bg_BG 13 Canadian English + + Canada en_CA en-ca 121,966 14 Canadian French + + Canada fr_CA fr-ca 136,870 15 Catalan + + Spain ca_ES 16 Chilean Spanish + + Chile es_CL 17 Colombian Spanish + + Columbia es_CO 18 Costa Rican Spanish + + Costa Rica es_CR 19 Croatian + Croatia hr_HR 20 Czech + Czech Republic cs_CZ 21 Danish + Denmark da_DK da 311,122 22 Dominican Spanish + + Dominican Republic es_DO 23 Dutch + + The Netherlands nl_NL nl 425,411 24 Estonian (Eesti keel) + Estonia et_EE 25 Euskara or Basque + Spain eu_ES 26 Finnish + Finland fi_FI fi 251,467 27 French + + France fr_FR fr 423,869 28 Galician + Spain gl_ES 29 German + + Germany de_DE de 2,301,750 30 Greek + + Greece, Cyprus el_GR el 575,120 31 Hebrew + Israel he_HE 32 Hindi + India hi_IN 33 Hungarian + Hungary hu_HU 34 Icelandic + Iceland is_IS 35 Indonesian + Indonesia id_ID 36 Irish + Ireland ga_IE 37 Italian + + Italy it_IT it 2,904,302 38 Japanese - + Japan ja_JP NEW | 5.5.6 39 Kenya Swahili + Kenya sw_KE 40 Korean + South Korea ko_KR 41 Latvian + Latvia lv_LV 42 Lingala + Dem. Rep. of Congo ln_CD 43 Lithuanian + Lithuania lt_LT 44 Luxembourgish + Luxembourg lb_LU 45 Malay + Malaysia ms_MY 46 Malayalam + India ml_IN 47 Maori + New Zealand mi_NZ 48 Mexican Spanish + Mexico es_MX 49 Mongolian + Mongolia mn_MN 50 New Zealand English + + New Zealand en_NZ 51 Northern Sotho + South Africa ns_ZA 52 Norwegian Bokmal + Norway nb_NO nb 888,428 53 Norwegian Nynorsk + Norway nn_NO 54 Peruvian Spanish + + Peru es_PE 55 Polish + + Poland pl_PL 56 Portuguese + + Portugal pt_PT pt 993,633 57 Puerto Rican Spanish + + Puerto Rico es_PR 58 Romanian + Romania ro_RO 59 Russian + + Russia ru_RU, ry_RU 60 Scottish + Gaelic Scotland gd_GB 61 Simplified Chinese + Mainland China, Singapore zh_CN 62 Slovak + + Slovakia sk_SK 63 Slovenian + + Slovenia sl_SL 64 South African English + South Africa en_ZA 65 Southern Ndebele + South Africa nr_ZA 66 Southern Sotho + South Africa st_ZA 67 Spanish + + Spain es_ES es 3,207,402 68 Swedish + + Sweden, Finland sv_SE sv 861,730 69 Swiss German + + Switzerland de_CH 70 Tagalog + Philippines tl_PH 71 Telugu + India te_IN 72 Tok Pisin + Papua New Guinea tpi_PG 73 Turkish + Turkey tr_TR 74 Ukrainian + + Ukraine uk_UA uk 2,597,806 75 Urdu + Pakistan ur_PK 76 Uruguayan Spanish + + Uruguay es_UY 77 Valencian + Spain cat_ES 78 Venezuelan Spanish + + Venezuela es_VE 79 Vietnamese + Vietnam vi_VN 80 Welsh + Wales cy_GB 81 Xhosa + South Africa xh_ZA 82 Zulu + South Africa zu_ZA