From open + sperren. <span class="searchmatch">opensperren</span> to open wide sperren open...
sperren open inflection of <span class="searchmatch">opensperren</span>: plural present indicative (dated or formal) plural present subjunctive <span class="searchmatch">opensperren</span>...
sperde open inflection of <span class="searchmatch">opensperren</span>: singular past indicative (dated or formal) singular past subjunctive opensperde...
opensper first-person singular dependent-clause present indicative of <span class="searchmatch">opensperren</span> sper open...
sperre open (dated or formal) singular present subjunctive of <span class="searchmatch">opensperren</span> opensperre...
opensperre (dated or formal) singular dependent-clause present subjunctive of <span class="searchmatch">opensperren</span> sperre open...
openspert second/third-person singular dependent-clause present indicative of <span class="searchmatch">opensperren</span> spert open...
sperden open inflection of <span class="searchmatch">opensperren</span>: plural past indicative (dated or formal) plural past subjunctive opensperden...