back·date 
(băkdāt′)
(băkdāt′)tr.v. back·dat·ed, back·dat·ing, back·dates
To mark or supply with a date that is earlier than the actual date: backdate a check.
- psychometric
- psychometrical
- psychometrically
- psychometrician
- psychometrics
- psychometrist
- psychometry
- psychomotor
- psychoneuroimmunology
- psychoneurosis
- psychoneurotic
- psychopath
- psychopathic
- psychopathically
- psychopathologic
- psychopathological
- psychopathologist
- psychopathology
- psychopathy
- psychopharmacologic
- psychopharmacological
- psychopharmacologist
- psychopharmacology
- psychophysical
- psychophysically