Before Snow became press secretary, such releases used to be comparatively rare; they now appear nearly every day.
Natural pearls come in many shapes, with perfectly round ones being comparatively rare.
The patches of shadow were comparatively rare, though, on this open plain.
Visitors to Cuba during the 1960s, 70s and 80s were comparatively rare.
Stars are comparatively rare in European heraldry during the medieval period.
In the home, by contrast, communications other than voice telephones, are unfamiliar and comparatively rare.
In the period following the composer's death, performances were comparatively rare.
It may be objected that such special cases are comparatively rare.
Snow is comparatively rare near sea level in Wales, but much more frequent over the hills.
This is probably a comparatively rare occurrence for small mammals, but it certainly does occur.