Related Clues:

• Ear-relevant prefix
• Prefix (to do with hearing)
• About ears
• Plains folk
• First tribe encountered by Lewis and Clark
• About the ear
• People met by Lewis and Clark
• Prefix before scope
• Chiwere-speaking tribe
• Ear, in combination
• Southern Sioux
• Relatives of the Iowa
• Tribe of Oklahoma
• Ear: Pref
• Ear (prefix)