Contamination

adideacja

(linguistics, etymology: the influence of one form (often from a foreign language) on the historical development of another form to which it may be related in meaning)

kontaminacja

(a process whereby words with related meanings come to have similar sounds; blend, portmanteau (word))

kontaminacja

(linguistics, etymology: the influence of one form (often from a foreign language) on the historical development of another form to which it may be related in meaning)

skażenie

(the act or process of contaminating)