Frequency (synt.) ; Accommodation (sociolinguistics) ; Acculturation (sociolinguistics) ; Dialect levelling; Sprachakkomodation; Divergenz (Soziolinguistik) ; Divergence (sociolinguistics) ; Mainstreaming (sociolinguistics) ; Assimilation (sociolinguistics) ; Convergence (sociolinguistics) ; Transfer (languages in contact) ; Adstratum language; Adstratsprache; Interference ; Angloamerikanismus; Angloamericanism; Americanism (Angloamericanism) ; Interference (synt.) ; Syntax, contrastive; Syntax, kontrastive; Contrastive syntax ; Pronoun syntax ; Null subject; pro-drop; Subjectless clause ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; Chicano; Puertoricans; USA (span. Sprache in den) ; Mexican American Spanish; USA (Spanish language in the) ; Spanglish; Inglañol; Tex-Mex; Spanish in the USA ; Latin America (Spanish language in) ; Lateinamerika (span. Sprache in) ; Spanish in Latin America