1. ac id, sour 8. morb id, disease
2. flor id, flower 9. pal(l) id, pale
3. flu id, flow10. splend id, shine
4. frig id, cold11. tep id, warm
5. in sip id, taste12. torr id, parch
6. in trep id, tremble13. torp id, numb
7. luc id, light14. viv id, life

1. The distinguishing quality of acid is its sourness.

2. Having the quality or appearance of flowers; specifically, flushed with red; as a florid countenance.

5. That which is insipid has not those qualities which affect the taste; tasteless.

6. An intrepid person is brave and daring; he does not tremble with fear.

13. Torpid. Benumbed; insensible; inactive; as an animal in hibernation, when it passes its time in sleep.

ity = state or quality of being.

1. alacr ity, lively 7. sanct ity, holy
2. brev ity, short 8. seren ity, calm
3. enm ity, enemy 9. tranquil (l)ity, quiet
4. fidel ity, faith10. un ity, one
5. mortal ity, death11. util ity, use
6. rotund ity, wheel12. veloc ity, swift

5. Mortality. State of being subject to death; frequency of death; hence the death-rate.

ive = one who, that which.