iff /if/ (logic)

Used to express if and only if

• psychographic
• psychographical
• psychographics
• psychographies
• psychographs
• psychography
• psychohistorian
• psychohistorians
• psychohistorical
• psychohistories
• psychohistory
• psychoid
• psychoids
• psychokineses
• psychokinesis
• psychokinetic
• psycholinguist
• psycholinguistic
• psycholinguistics
• psycholinguists
• psychologic
• psychological
• psychological block
• psychologically
• psychological moment