198. I. A stem or word formed directly from a root or a verb stem is
called a _Primitive_. II. A stem or word formed from a noun stem is
called a _Denominative_.
(_a._) Primitives: from √#rēg-#, #reg-#, _guide_: #rēx#, stem #rēg-#,
_king_; #rēgnum#, stem #rēg-no-#, _kingdom_; #rēctus#, stem #rēc-to-#,
_guided_; #regere#, stem #reg-e-#, _guide_. From #ōrā-#, stem of
#ōrāre#, _speak_: #ōrātor#, stem #ōrā-tōr-#, _speaker_; #ōrātiō#, stem
#ōrā-tiōn-#, _speech_.
(_b._) Denominatives: from noun stem #rēg-#, _king_: #rēgīna#, stem
#rēg-īnā#, _queen_; #rēgius#, stem #rēg-io-#, #rēgālis#, stem
#rēg-āli-#, _royal_. From #ōrātiōn-#, _speech_: #ōrātiūncula#, stem
#ōrātiūn-culā-#, _little speech_. From #rēg-no-#, _kingdom_: #rēgnāre#,
stem #rēgnā-#, _to rule_. From #iūs#, _law_: #iūrāre#, _swear_, stem
#iūrā# (154).
[Errata:
198a ... #ōrātor#, stem #ōrā-tōr-#
#ōrā tōr-# with invisible hyphen
198b ... #iūrāre#, _swear_, stem #iūrā#
_stem_ #iūrā# in italics]
(A.) FORMATION OF THE NOUN.