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 starting the version 5.17.0 (December 27, 2021). Enabled*
# Language Spelling Grammar Medical Legal Country Short code Localization Number of words Comments 1 Auto Detect auto - - Auto detect defines a language and sets a correct language for further check. Yes 2 AI-based English + + en_AI - - The beta version; general English. Yes 3 AI-based German + + de_AI - - The beta version 4 AI-based Spanish + + es_AI - - The beta version 5 Afrikaans + South Africa af_ZA 6 Albanian + Albania sq_AL 7 American English + + United States en_US en-us 142,375 Yes 8 Amharic + Ethiopia am_ET 9 Arabic + + ar_SA NEW | 5.5.9 Yes 10 Argentinian Spanish + + + Argentina es_AR 11 Australian English + + + + Australia en_AU Yes 12 Austrian German + + Austria de_AT 13 Bengali + India bn_IN 14 Brazilian Portuguese + + Brazil pt_BR pt-br 10,394,016 Yes 15 British English + + + + The United Kingdom en_GB en-gb 145,296 Yes 16 Bulgarian + Bulgaria bg_BG 17 Canadian English + + + + Canada en_CA en-ca 121,966 Yes 18 Canadian French + + + Canada fr_CA fr-ca 136,870 19 Catalan + + Spain ca_ES 20 Chilean Spanish + + + Chile es_CL 21 Colombian Spanish + + + Columbia es_CO 22 Costa Rican Spanish + + + Costa Rica es_CR 23 Croatian + Croatia hr_HR 24 Czech + Czech Republic cs_CZ 25 Danish + + Denmark da_DK da 311,122 Yes 26 Dominican Spanish + + + Dominican Republic es_DO 27 Dutch + + The Netherlands nl_NL nl 425,411 Yes 28 Estonian + Estonia et_EE 29 Euskara or Basque + Spain eu_ES 30 Finnish + Finland fi_FI fi 251,467 Yes 31 French + + + France fr_FR fr 423,869 Yes 32 Galician + + Spain gl_ES 33 German + + Germany de_DE de 2,301,750 Yes 34 Greek + + Greece, Cyprus el_GR el 575,120 Yes 35 Hebrew + Israel he_HE Yes 36 Hindi + India hi_IN 37 Hungarian + Hungary hu_HU 38 Icelandic + Iceland is_IS 39 Indonesian + Indonesia id_ID Yes 40 Irish + + Ireland ga_IE 41 Italian + + Italy it_IT it 2,904,302 Yes 42 Japanese + Japan ja_JP NEW | 5.5.6 43 Kenya Swahili + Kenya sw_KE 44 Korean + South Korea ko_KR 45 Latvian + Latvia lv_LV 46 Lingala + Dem. Rep. of Congo ln_CD 47 Lithuanian + Lithuania lt_LT 48 Luxembourgish + Luxembourg lb_LU 49 Malay + Malaysia ms_MY 50 Malayalam + India ml_IN 51 Maori + New Zealand mi_NZ 52 Mexican Spanish + + + Mexico es_MX Yes 53 Mongolian + Mongolia mn_MN 54 New Zealand English + + + + New Zealand en_NZ 55 Northern Sotho + South Africa ns_ZA 56 Norwegian Bokmal + Norway nb_NO nb 888,428 57 Norwegian Nynorsk + Norway nn_NO Yes 58 Peruvian Spanish + + + Peru es_PE 59 Polish + + Poland pl_PL Yes 60 Portuguese + + Portugal pt_PT pt 993,633 Yes 61 Puerto Rican Spanish + + + Puerto Rico es_PR 62 Romanian + + Romania ro_RO 63 Russian + + Russia ru_RU, ry_RU Yes 64 Scottish + Gaelic Scotland gd_GB 65 Simplified Chinese + Mainland China, Singapore zh_CN 66 Slovak + + Slovakia sk_SK 67 Slovenian + + Slovenia sl_SL 68 South African English + + + + South Africa en_ZA 69 Southern Ndebele + South Africa nr_ZA 70 Southern Sotho + South Africa st_ZA 71 Spanish + + + Spain es_ES es 3,207,402 Yes 72 Swedish + + Sweden, Finland sv_SE sv 861,730 Yes 73 Swiss German + + Switzerland de_CH Yes 74 Tagalog + + Philippines tl_PH 75 Telugu + India te_IN 76 Tok Pisin + Papua New Guinea tpi_PG 77 Turkish + Turkey tr_TR Yes 78 Ukrainian + + Ukraine uk_UA uk 2,597,806 Yes 79 Urdu + Pakistan ur_PK 80 Uruguayan Spanish + + + Uruguay es_UY 81 Valencian + Spain cat_ES 82 Venezuelan Spanish + + + Venezuela es_VE 83 Vietnamese + Vietnam vi_VN 84 Welsh + Wales cy_GB 85 Xhosa + South Africa xh_ZA 86 Zulu + South Africa zu_ZA
Here is a list of all available and supported languages with their short codes starting the version 5.17.0 (December 27, 2021).