Sorry, couldn't find any words matching swi.
You can also try a search for すぃ.
Kanji — 25 found
3.5709352622587334
10 strokes.
JLPT N1.
Jōyō kanji, taught in junior high.
shake,
wave,
wag,
swing
On:
シン
4.126349460215914
12 strokes.
JLPT N1.
Jōyō kanji, taught in grade 6.
brandish,
wave,
wag,
swing,
shake
Kun:
ふる.う
On:
キ
6.275308058594745
12 strokes.
JLPT N1.
Jōyō kanji, taught in junior high.
swing,
shake,
sway,
rock,
tremble,
vibrate
On:
ヨウ