de + nationalize + (e)d to nationalize = to make something of a nation. + (e)d = to be past tense denationalized = to make something NOT of a nation "His ancestors were denationalized by the National Socialists, so he is no longer a citizen. He can regain his citizenship by applying at the embassy."

DE-NATION-AL-IZE-D 1. NATION=root (and base for -DE and -AL) 2. NATIONAL=base for -DE and -IZE 3. DENATIONALIZE=stem for -D -DE = derivational preffix -AL=derivational suffix (we can still add other suffix) -IZ(E)=derivational suffix (we can still add other suffix) -(E)D=inflectional suffix ((we cannot add other suffix) We can add derivational affixes (preffixes/infixes/suffixes) to a BASE, but we can add only inflectional suffixes to a STEM.