No, traveled is not a common noun; it is a past tense verb
The only common noun is sister.
The noun Turkey (capital T) is a proper noun, the name of a specific country; the name of a specific place.The noun turkey (lower case t) is a common noun, a general word for a type of bird; a word for any turkey.
I traveled: verb, past tense. I have traveled: past perfect tense participle
The word 'traveled' is the past participle, past tense of the verb 'to travel'. The past participle of the verb is also an adjective (a well traveled road).The word 'travel' is a noun, a word for a journey, a trip, a tour, a voyage, etc.Other noun forms are traveler, travelogue, and the gerund, traveling.
The word 'pedometer' is a noun, a singular, common, concrete noun; a word for an instrument for estimating the distance traveled on foot by recording the number of steps taken; a word for a thing.
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.