Acronym from books

cdr - critical design review
eol - end of life plan
pdr - preliminary design review
poc - proof of concept
raci - Responsible, Accountable, Consulted, and Informed.
roi - return of investment
sow - structure of work
swot - streangth, weakness, opportunities and threats
wbs - work breakdown structure

Agile
Lean
scrum
Waterfall

Alpha Test
Break Even
Beta Test
Gannt Chart
Pert Chart
Product Life Cycle
Project Life Cycle