The root 'spec' in INSPECT and SPECTATOR means:

The Latin root 'spec' (or 'spect') means to look or see. INSPECT means to look into; SPECTATOR is one who looks on. Other 'spec' words: SPECTACLE (something to look at), PROSPECT (something seen ahead, future possibility), RETROSPECT (looking back), CIRCUMSPECT (looking around — i.e., cautious), SUSPECT (looking under — i.e., having doubt), RESPECT (looking back at — i.e., regard), INTROSPECT (looking inward), CONSPICUOUS (clearly visible), PERSPECTIVE (a view). Major Latin roots: spec (see), aud (hear, like AUDIO and AUDIENCE), tact/tang (touch, like TACTILE and TANGIBLE), dict (say, like DICTATE and PREDICT), scrib/script (write, like INSCRIPTION and PRESCRIBE), port (carry, like TRANSPORT and IMPORT), mit/miss (send, like TRANSMIT and EMISSION), graph/gram (write or draw, like AUTOGRAPH and DIAGRAM), bio (life), geo (earth), phon (sound), photo (light), chrono (time), therm (heat). Greek and Latin roots together unlock a huge portion of English vocabulary.