I found some more. Others include the rare botanical words acheilous, anemious, and caesious, the rare zoological word annelidous, and the chemical term arsenious.

Also here's some more backward/forward words
1.De´i`fied - Honored or worshiped as a deity; treated with supreme regard; godlike.
2.ro·ta·tor - One that rotates.
3.Re`viv´er - One who, or that which, revives
4.murdrum – in old English law, a secret killing
5.peeweep – a type of bird, often understood to be a lapwing