* phones
Other suffixes can also be used, depending on the specific meaning you want to convey:
* -ing: This suffix forms the present participle, indicating an ongoing action related to phones: phoning
* -er: This suffix forms a noun indicating a person who uses or works with phones: phoner
* -less: This suffix indicates the absence of phones: phoneless
Keep in mind that some of these suffixes may not be as common or widely used as "-s".