Word play: double-duty prefixes

Some seemingly unrelated words that share prefixes actually are linked in some way. See whether you can guess the connection. (Answers are below the picture.)

1. Astragalo-, astragal- means both dice and the ball of the ankle joint (clue at right).
2. Lauro-, laur- means both lauric acid and the laurel tree.
3. Angio-, angi- means both seedcase and blood vessel.
4. Luteo-, lute- means both yellowish or orange-yellow and corpus luteum (a mass of endocrine cells that forms in an ovary after it releases an egg).
5. Phello- means both cork and bark.
6. Pinni-, pinn- means both wing and fin.
7. Chromo-, chrom- means both color and chromium.
8. Tera- means both a monster and a trillion.
9. Osmo-, osm- means both a smell and the metal osmium.
10. Bromo-, brom- means both stench and the element bromine.

(the mountains of California near the San Andreas fault)

Answers

1. astragalo-, astragal-: The first dice were made from bones in the ankle joint.
2. lauro-, laur-: Lauric acid is found in the berries of the European laurel.
3. angio-, angi-: Seedcases and blood vessels both are vessels; one carries seeds; the other, blood.
4. luteo-, lute-: The corpus luteum is yellow.
5. phello-: Cork is the outer bark of the cork oak tree.
6. pinni-, pinn-: Both wings and fins are modified arms in which the fingers are no longer separated.
7. chromo-, chrom-: Compounds of the metal chromium have very beautiful colors.
8. tera-: A trillion is a monstrously large number.
9. osmo-, osm-: Osmium is smelly.
10. bromo-, brom-: Bromine has a bad smell.