Fazan game

[Steelfist]

gas

[Xemadus Echina]

assume

[Duskling]

meal

[Steelfist]

alibi

[Xemadus Echina]

bipedal

[Duskling]

Alaska

[Ertxiem]

kareoke

The forbidden endings:
*ea, *er, *ia, *fy, *ic, *ky, *ly, *ll, *on, *ty, *um, *us, *xo
and all the other two consonant endings that don't start a word.

[.:Light-God:.]

key

[Duskling]

yessir

[Ertxiem]

It should be
eye
yessir (which isn't really one word)

and I would follow with
irate

The forbidden endings:
*ea, *er, *ia, *fy, *ic, *ky, *ly, *ll, *on, *ty, *um, *us, *xo
and all the other two consonant endings that don't start a word.

[Duskling]

terrible (er shouldn't be a forbidden ending in my opinion)

[MikeW781]

leprosy (er only has like, 4 possibilities)

[Duskling]

sympathy (but it still has some, now doesn't it?)

[Ertxiem]

hypothetical

The problem is that without many options available, we'll start repeating words quite often.
That's why the forbidden endings appeared:.
*ea, *er, *ia, *fy, *ic, *ky, *ly, *ll, *on, *ty, *um, *us, *xo
and all the other two consonant endings that don't start a word.

[Duskling]

alone