Answer: loveletter

AnswerCrossword Clue
LOVELETTER"A bullet from a fucking gun!," per Frank Booth in "Blue Velvet"
LOVELETTERPrivate first class item
LOVELETTERPlace to find x's and o's
LOVELETTERCorrespondence sometimes marked "SWAK"
LOVELETTERRomantic writing
LOVELETTERBillet-doux
LOVELETTERCourter's correspondence
LOVELETTERMail from a sweetheart
LOVELETTERWhere X's and O's may be written
LOVELETTERMushy missive
LOVELETTEROne of Phyllis McGinley's poems.
LOVELETTERBillet-doux.
LOVELETTERAmorous epistle
LOVELETTERSweetheart's treasure
LOVELETTER2010 R. Kelly top 10 album
LOVELETTEROne might be sent with a scent