Double is used after these nouns:
stunt

more than
Our profits have more than doubled this year.

almost, nearly, practically, virtually
The price of houses has nearly doubled in the last ten years.

at least
effectively
approximately, roughly
easily
This percentage could easily double.

in
The town has approximately doubled in size since 1960.

to
The party almost doubled its share of the vote to 21%.

Double is used with these nouns as the subject:
amount, crime, number, population, price, turnover, unemployment, value, volume, workforce

Double is used with these nouns as the object:
amount, budget, income, number, output, pay, price, profit, rate, risk, salary, sale, size, value, workforce

Double is used with these nouns:
act, agent, album, bed, bedroom, bill, bind, blow, booking, bow, brandy, CD, celebration, chin, chorus, click, cream, date, digit, door, dose, duty, duvet, fault, figure, first, garage, gate, gin, handful, helping, homicide, knot, layer, letter, life, mattress, meaning, murder, murderer, play, pneumonia, portion, quote, ration, room, row, save, sheet, shift, sink, spread, standard, stroller, suicide, talk, taxation, time, track, vision, wardrobe, whisky

Double is used with these verbs:
bend