bottom

(cave) + (mr. /speculum radical) Same-ON
★★★☆☆
8 strokes
ILL PAIR

Onyomi

TEI

Mnemonic

TAKE the speculum to the bottom of the cave! (it's got yo Mama's residue on it so we have to bury it before it infects the general populace)

Kunyomi

( ) そこ the bottom
★★★☆☆

Jukugo

徹底的(てっていてき) にXXX

to do XXX thoroughly ★★☆☆☆
(do thoroughly) + (bottom) + (motivation / '-al') = 徹底的 (to do XXX thoroughly)

to do XXX thoroughly, exhaustively, comprehensively. Plus, isn't that the greatest pronunciation? tetetetetetetetete!!! That's the most wild sound since the past tense of 'warm': (atatakatta)

海底(かいてい)

bottom of the ocean ☆☆☆☆☆
(ocean) + (bottom) = 海底 (bottom of the ocean)

Lookalikes

Meaning Hint Radical
floor WOOD
bottom SPECULUM

The floor is made of WOOD

but the SPECULUM probes to the very bottom of the hoo-hoo.