2.  Verbs in -sco formed from other Verbs.

These usually have Inchoative or Inceptive meaning (see Sec. 155, 1).  When they have the Perfect, it is the same as that of the Verbs from which they are derived.

floresco florescere florui begin to (floreo)
bloom
scisco sciscere scivi enact (scio)
aresco arescere arui become dry (areo)
calesco calescere calui become hot (caleo)
consenesco consenescere consenui grow old (seneo)
extimesco extimescere extimui fear greatly (timeo)
ingemisco ingemiscere ingemui sigh (gemo)
adhaeresco adhaerescere adhaesi stick (haereo)

3.  Verbs in -sco derived from Adjectives, usually with Inchoative meaning.

obduresco obdurescere obdurui grow hard (durus) evanesco evanescere evinui disappear (vanus) percrebresco percrebrescere percrebrui grow fresh (creber) maturesco maturescere maturui grow ripe (maturus) obmutesco obmutescere obmutui grow dumb (mutus)

V. DEPONENTS.

fungor fungi functus sum perform
queror queri questus sum complain
loquor loqui locutus sum speak
sequor sequi secutus sum follow
fruor frui fruiturus enjoy
perfruor perfrui perfructus sum thoroughly enjoy
labor labi lapsus sum glide
amplector amplecti amplexus sum embrace
nitor niti nisus sum, strive
nixus sum
gradior gradi gressus sum walk
patior pati passus sum suffer
perpetior perpeti perpessus sum endure
utor uti usus sum use
morior mori mortuus sum die
adipiscor adipisci adeptus sum acquire
comminiscor comminisci commentus sum invent
reminiscor reminisci ——­ remember
nanciscor nancisci nanctus acquire
(nactus) sum
nascor nasci natus sum be born
obliviscor oblivisci oblitus sum forget
paciscor pacisci pactus sum covenant
proficiscor proficisci profectus sum set out
ulciscor ulcisci ultus sum avenge
irascor irasci (iratus, as be angry
Adj.)
vescor vesci ——­ eat

Fourth Conjugation.

123.  I. PERFECT ENDS IN -VI.

audio audire audivi auditus hear
So all regular Verbs of the Fourth Conjugation.
sepelio sepelire sepelivi sepultus bury