sentence: examples include emlék ( '' a ( piece of ) memory '' ) , farok ( '' tail '' ) , köldök ( '' navel '' ) , könyök ( '' elbow '' ) , sarok ( '' corner '' / '' heel '' ) , pocok ( '' vole '' ) , püspök ( '' bishop '' ) , érsek ( '' archbishop '' ) , szemöldök ( '' eyebrow '' ) , zsák ( '' sack '' ) etc. -- the name of the mole used to be vakondok but this form took on a plural meaning and the word is mostly used today as vakond .