-bas-

(basement, bass)

low

cap,capt

(capable, capture capacity)

-cred-

 (Credible, incredible)

-dict-

(predict, dictionary, diction)

-duc-, -duct-

( induce,conduct, educate)

-

fac,fact

( artifact,facsimile, factual)

-graph-

(autograph, graphic, biograph)

-log-

(dialog, biology, logic)

-mort-

(mortal, mortician, mortify) 

-scrib-, -script-

(transcribe, subscription, transcript)

spec, spect 

(specimen, aspect, spectacle)

tact

( contact, tactile, tactical)

ten

( tenacious, retentive, attentive)

therm

(thermometer, thermostat, thermal)

ver

(verify, very)