Answer: PSIS

AnswerCrossword Clue
PSISCharacters in a frat house?
PSISAthenian consonants
PSISParticles of the meson family
PSISGreek letters.
PSISLetters from Athens
PSISHomeric letters
PSISLetters from Greece
PSISPurportedly psychic phenomena
PSISElectric flux symbols
PSISTelepathy and clairvoyance, e.g.
PSISGreek penultimates
PSISLetters that look like tridents
PSISThey're painted on some frat houses
PSISThey're trident-shaped
PSISThey're pitchfork-shaped
PSISParticle flux density symbols
PSISThey resemble tridents
PSISGreek letters that look like pitchforks
PSISGreek letters that resemble pitchforks
PSISLetters after chis
PSISGreek letters resembling tridents
PSISWave function symbols
PSISLetters between chis and omegas
PSISCorinthian consonants
PSISCertain Greek letters
PSISAfter chis
PSISLetters resembling tridents
PSISTwenty-third Greek letters
PSISSymbols of wave functions
psisany purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like
psisthe 23rd letter of the Greek alphabet
psisPSI, a Greek letter
PSISChi chasers
PSISGreek letters
PSISOmegas' preceders
PSISTrident-shaped symbols
PSISPitchfork-shaped letters
PSISFork-shaped frat letters
PSISGreek consonants
PSISFrat letters