Here's what rhymes with thians.
                        
                        
                    
                                eons  peons  paeans  ruffians  prions  plebeians  epicureans  Words that almost rhyme with thians
sapience  museums  sentience  solariums  mausoleums  coliseums  encomiums  insentience  trapeziums  seasons  heathens  viands  phials  evens  phaetons  reasons  regions  lesions  evils  demons  eagles  legions  deacons  deepens  visas  weakens  beacons  vitals  daemons  seagulls  sequins  easels  cheapens  sweetens  vivas  elands  geodes  steepens  fiches  rheas  recons  neatens  ideas  peoples  pieces  reaches  speeches  equals  teaches  beaches  needles  adhesions  beetles  measles  arenas  chieftains  peaches  hyenas  sequels  steeples  weasels  weevils  beagles  cretins  diesels  semaphores  wheezes  zebras  beadles  cheetahs  elisions  hyaenas  divas  peaces  sheepfolds  pigpens  teasels  wheedles  legals  paellas  resoles  signoras  spinals  hegiras  aliyahs  diseases  secretions  deletions  upheavals  accretions  pizzas  subpoenas  collegians  illegals  labials  marinas  amoebas  enfeebles  verbenas  fajitas  tsetses  czarinas  tsarinas  preseasons  cathedrals  tortillas  excretions  archdeacons  pastiches  impeaches  patinas  pizzerias  tracheas  coequals  prequels  gallerias  reteaches  postseasons  increases  decreases  caprices  completions  canticles  tablelands  ballerinas  fantasias  retrievals  imperials  polyhedrons  tailpieces  bilabials  codpieces  ocarinas  sonatinas  masterpieces  centerpieces  gardenias  paralegals  tetrahedrons  pancreases  concertinas  pharmacopeias  mantelpieces  pharmacopoeias