The phrase "are relatively small compared" is correct and usable in written English.
It can be used when making a comparison between the size of two or more items or groups, indicating that one is smaller in relation to the other.
Example: "The new models are relatively small compared to the previous versions, making them easier to handle."
Alternatives: "are comparatively small" or "are modestly sized in comparison".
Nevertheless, the sizes of He and Ar atoms are relatively small compared with a Gaq3molecule.
But gas plants are expensive to build and operate, and are relatively small, compared with coal and nuclear power stations.
However from a royalty revenue standpoint these markets are relatively small compared to the smarphone and tablet markets.
But the reductions are relatively small compared with the total deficits projected over the coming decade.
Third, he said, the numbers of bacteria actually exposed to these agents are relatively small, compared with the targets of systemically administered antibiotics.
"The effects of being bullied in childhood on the risk for developing poor health later in life are relatively small compared to other factors.
They are widely distributed throughout the world and are relatively small compared with most seed-bearing plants.
But most of them are relatively small, compared with the scale of the plants needed to make a dent in mitigating climate change.
They also maintained that the quantities of chemicals used in constructing and maintaining wind turbines are relatively small compared with those used in other methods of producing electricity.
Yet those heterodoxies are relatively small compared with the partisan differences that have made obsolete George C. Wallace's claim during his presidential run four decades ago that "there's not a dime's worth of difference" between the Democratic and Republican Parties.
But the council's holdings are relatively small compared to its member churches, such as the Church of England, which has £5.2bn invested in stock markets including in major companies like oil giant Shell.
