Related Clues:

• Kind of stock: Abbr.
• Verb type: Abbr.
• Bk. intro
• Non- or un-: Abbr.
• Choice, for short
• Like some verbs: Abbr.
• Paper or plastic, e.g.: Abbr.
• Like 101 courses: Abbr.
• Type of vb.
• Abbr. for a type of verb
• Type of verb: Abbr.
• Preface: Abbr.
• Book intro (abbr.)
• Like some verbs: Abbr
• Paper or plastic, e.g. (Abbr.)