When two peoples speaking different languages share a common border, there is an infiltration of words from one language to the other.
( ( When ( ( ( two peoples ) ( speaking ( different languages ) ) ) ( share ( a ( common border ) ) ) ) ) ( , ( there ( ( is ( ( an infiltration ) ( of ( words ( from ( ( one language ) ( to ( the other ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (CD two) (NNS peoples)) (VP (VBG speaking) (NP (JJ different) (NNS languages)))) (VP (VBP share) (NP (DT a) (JJ common) (NN border))))) (, ,) (NP (EX there)) (VP (VBZ is) (NP (NP (DT an) (NN infiltration)) (PP (IN of) (NP (NP (NNS words)) (PP (IN from) (NP (NP (CD one) (NN language)) (PP (TO to) (NP (DT the) (JJ other))))))))) (. .)))
Languages can move across borders fairly easily.
( Languages ( ( can ( ( move ( across borders ) ) ( fairly easily ) ) ) . ) )
(ROOT (S (NP (NNS Languages)) (VP (MD can) (VP (VB move) (PP (IN across) (NP (NNS borders))) (ADVP (RB fairly) (RB easily)))) (. .)))