The phrase "amassed plenty" is correct and usable in written English.
It can be used when referring to gathering or accumulating a large amount of something, such as resources, wealth, or experiences.
Example: "Over the years, she amassed plenty of knowledge in her field, making her an expert."
Alternatives: "gathered a lot" or "accumulated a great deal."
They've amassed plenty of classic material, too.
LIFFE has amassed plenty of cash—£150m ($255m) by the end of last year.
Speech nuts, like gun nuts, have amassed plenty of arguments, but they — we — are driven, too, by a shared sensibility that can seem irrational by European standards.
Unnamed Whitehall sources chime in, saying they have amassed plenty of ammunition to use against Scottish nationalists, but Mr Darling is unaccountably leaving it in the bunker.The very senior Tory figure, the Downing Street source and the Whitehall whisperers are wrong.
Kay Swinburne, who is defending her seat as the Conservatives' lead candidate in Wales, has amassed plenty of miles on the route between Belgium and eastern France.
If "speech nuts" like those of us at FIRE have "amassed plenty of arguments," it would have been useful for Sanneh to have explained and engaged those arguments instead of waving them away with a dismissive, condescending label.
There are a lot of gray and white hairs amassed on that stage, plenty of wrinkles and jowls too.
37 Care Centers Under Scrutiny The nation's largest chain of assisted living facilities has come under scrutiny over the quality of care and safety conditions at some of its centers. 1 Gifts for Those With Plenty Many Americans have amassed all the goods they need, so they are asking for gifts they can use up.
Mr. Slim, who has amassed his fortune by well-timed investments in distressed companies, will find plenty of opportunity in Europe's depressed telecom sector, Mr. Kendall said.
