WordNet sense 1 (a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar):

arsenic, as

WordNet sense 2 (a United States territory on the eastern part of the island of Samoa):

American Samoa, Eastern Samoa

WordNet sense 3 (to the same degree (often followed by `as')):

equally, every bit