The best replacement for project is program.

The best alternatives to project are rated as following:
★★★★★  program
★★★  process
★★★  task
★★  j
★★  operations
★★  product
★  initiative
★  project
★  primavera
★  operation
  project server
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  project pro
  non project
  object library
  define projection
  thesis
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  oakley
  operational work
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  raja ram
  select
  business as usual
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  website
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  projects

Your alternative for project is not listed? Suggest!
Speaking about project, one probably shouldn't forget about critical path.

Other search terms related to project and their ratings are:
★★★★★ critical path
★★★★ baseline
★★★ project management
★ gantt chart
★ upfront
source code
You have in mind a companion for project and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of project in all years. Click on graph for more.
project
program
process