Words That Rhyme With "Halcyon" :

3 syllables:

Albion, allium, Anglian, ballium, calcium, dalliance, galleon, gallium, ganglion, Halcion, pallium, talion, thallium

4 syllables:

discalceate, Parnassian, potassium, prothallium

5 syllables:

madrigalian, patripassian