Verb work up has 4 senses
- build up, work up, build, progress - form or accumulate steadily; "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border"
 --1 is one way to develop
 Sample sentence:
 Something ----s
 
- work up, get up - develop; "we worked up an as of an appetite"
 --2 is one way to grow, develop, produce, get, acquire
 Sample sentence:
 Somebody ----s something
 
- build up, work up, build, ramp up - bolster or strengthen; "We worked up courage"; "build up confidence"; "ramp up security in the airports"
 --3 is one way to increase
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
- work out, work up - come up with; "His colleagues worked out his interesting idea"; "We worked up an ad for our client"
 --4 is one way to develop, make grow
 Sample sentence:
 Somebody ----s something
 
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