Similar words
anstecken
anstecken can mean "to infect" or, separately, "to pin on," like a brooch; infizieren specifically means "to infect."
Similar in other languages
Portuguese
contagiar
contagiar is the Portuguese word for the same thing — both mean "to infect."
Portuguese
infectar
infectar is the Portuguese word for the same thing — both mean "to infect."
Practice
1 What does infizieren mean?
to infect
2 Fill the gap: Er hat sich mit der Grippe ___.
Full sentence: Er hat sich mit der Grippe infiziert. (He has caught the flu.)
3 Which fingerprint chart matches infizieren?
infizieren: neutral register, common frequency, general domain, neutral connotation.