Lock spell

[TimeSpaceLightForce 12]

                                     

To unlock safe : Turn the knobs to  figure out the right combination. What are the 8 words?

[bonanova 83]

Advance knob 3 two positions CW and knob 4 two positions CCW
NAPS
RENT
HOSE
PIER
LADS
SENT
TORE
SILL

 

Or do the words have to form a sentence?

[DejMar 9]

Spoiler

There are two possible sets of eight words:
  PIER, LADS, SENT, TORE, SILL, NAPS, RENT, HOSE
and
  LIER, SADS, TENT, SORE, NILL, RAPS, HENT, POSE

PIER - buttress                         LIER - a person who lies down
LADS - young men                        SADS - expresses sadness
SENT - dispatched                       TENT - portable shelter
TORE - rent                             SORE - tender
SILL - windowsill                       NILL - not to wish
NAPS - sleeps briefly                   RAPS - strikes
RENT - torn                             HENT - sieze
HOSE - flexible pipe                    POSE - pretend