418 bilingualism code-switching(linguistics) codeswitching(linguistics) communication congresses dictionaries dutchlanguage english englishlanguage estonian estonianlanguage europe foreigncoutries foreignelements foreignwordsandphrases globalization greek greeklanguage history influenceonenglish ingrianlanguage international japaneselanguage languages languagesincontact latin latinlanguage linguistics modern morphology p380 politicalaspects rome socialaspects sociallifeandcustoms studyandteaching tense to1500 to500 usage