nasal infix
... that the nasal infix, which was used in the Proto-Indo-European language to express the present tense, can still be traced in word pairs like convince/conviction?
... that the <b id="mwGOw"><a href="./Nasal_infix" id="mwGO0" rel="mw:WikiLink" title="Nasal infix">nasal infix</a></b>, which was used in the <a href="./Proto-Indo-European_language" id="mwGO4" rel="mw:WikiLink" title="Proto-Indo-European language">Proto-Indo-European language</a> to express the <a href="./Present_tense" id="mwGO8" rel="mw:WikiLink" title="Present tense">present tense</a>, can still be traced in word pairs like <i id="mwGPA">convince</i>/<i id="mwGPE">conviction</i>?