Take the Roman numerals in sequence, and convert to the phonetic alphabet.
1 = I = India
5 = V = Victor
10 = X = X-Ray
50 = L = Lima
100 = C = Charlie
500 = D = Delta
Reasoning
Each of the other words remains a real word if you remove the first and last letter: s-event-yb-raw-lc-love-rp-rope-rc-arro-t *s-win-ge-merge-dc-raft-yt-rave-ls-acre-ds-ton-ep-lung-e
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Puzzle 204
Place letters into the grid such that every row, column, and 2 x 2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.
Letters allowed: D O G D A Y S
C
L
K
A
T
E
S
P
I
Note: this puzzle is not interactive, and the squares cannot be clicked.