This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Present participle of amass.

"Employees sometimes have a skewed view of the termination process, thinking that a company must hold to some kind of courtroom "beyond a reasonable doubt" standard in amassing reasons for termination."

amassed    amasses    amassing    amasss   

pile    heap up    accumulate    mass    heap   

Alsace    Cass    Glass    Grass    Grasse   

ill-got    ill-gotten    racial    heaped-up    hard-earned