The Old Norse word ari
Word ari
a r i
Meaning eagle
Notes/Remarks This is a singular form
See also Proto-Indo-European: *h₃or-no- ‘eagle’
Old Norse: arnar ‘eagle’
Old Norse: arnuz ‘eagle’
Old Norse: ǫrn ‘eagle’

Other words that might be of interest
fugl ‘bird’, fogl ‘bird’, haukr ‘hawk’