動詞 inundate:

1. fill quickly beyond capacity; as with a liquid
   同義詞：deluge, flood, swamp
2. fill or cover completely, usually with water
   同義詞：deluge, submerge

1. We were inundated with enquiries.
   查詢的人很多，我們應接不暇。
2. When the river burst its banks the fields were inundated.
   河岸決堤後，田地遭洪水淹沒。

in.un.date

v.tr.（及物動詞）
in.un.dat.ed,in.un.dat.ing,in.un.dates
To cover with water, especially floodwaters.
淹沒：用水淹蓋，特指洪水泛濫
To overwhelm as if with a flood; swamp:
壓倒：似洪水般壓倒；浸沒：
例句：
The theater was inundated with requests for tickets.
劇場為索票的聲勢所壓倒

來源：
Latin inund3re inund3t-
拉丁語 inund3re inund3t-
in- [in] * see in- 2
in- [在…里面] *參見 in-2
und3re [to surge] from unda [wave] * see wed-
und3re [急劇上升] 源自 unda [波浪] *參見 wed-

【引伸】
in.unda.tion
n.（名詞）
in.unda.tor
n.（名詞）
inun.dato.ry