Letters that make psis
s, p, i
are letters that make 'psis'
Words within psis
PS, si, psi, SI, sis, Si, is
are words within 'psis'
Anagrams of psis
piss, sips
are anagrams of 'psis'
Words created by adding a letter to the beginning or end of psis
apsis
is a word created by adding a letter to 'psis'