These are etymologically related words that pop up in different languages.

ECONOMIST: The evolution of language

It exacted higher fees from advertisers by selling them rights to given keywords so their ads pop up first when those words are entered in a query.

FORBES: Cover Story

The duo, composed of Wolf Parade's Dan Boeckner and his fiancee Alexei Perry, specializes in sparse, repetitive pop melodies coupled with baffling, poetic words.

NPR: Sparse Melodies and Six Golden Eggs

In other words, the first-day pop was followed by a correction that put the price of new shares much closer to the offering price.

WSJ: Facebook IPO Facts, Fiction and Flops

In other words, stocks might see a 20% pop from here.

FORBES: Bad Sentiment Could Be Good News

Before Zynga acquired the game, OMGPOP also added the ability for the company to add new words to the game on-the-fly, allowing it to add terms related to pop culture and news events.

CNN: STORY HIGHLIGHTS

In other words, even putting aside the possibility that the Net sector on Wall Street is a bubble waiting to pop (a matter about which there is considerable debate), you have to agree that the new-issue market has more than its share of investing hazards.

FORBES: Venture Vetting