Laffy Taffy

Answer: JACK

The smallest clues come in groups of three with rhyming answers. In the next smallest column, form another rhyming word that starts with the given phoneme. These words in turn form more sets of three clues with rhyming answers. Continue in this way to fill out the whole table:

dʒ: JACK
d: DEARTH -> LACK
∅: OX -> YAK
t: TOWER -> STACK
s: SOIL -> EARTH
pɹ: PRICE -> WORTH
dʒ: JOY -> MIRTH
f: FORT -> KNOX
b: BOULDERS -> ROCKS
sp: SPEAKS -> TALKS
k: CURDLE -> SOUR
bl: BLOSSOM -> FLOWER
dɹ: DRIZZLE -> SHOWER
cook in liquid: BOIL
cook: BROIL
cooking liquid: OIL
random number generators: DICE
rodents: MICE
season: SPICE
type of bean: SOY
beautiful fish: KOI
lad: BOY
volume unit: QUART
foil: THWART
harbor: PORT
directories: FOLDERS
Newton stood on these: SHOULDERS
burns, with no flame: SMOLDERS
tops: PEAKS
searches for: SEEKS
complete graphs: CLIQUES
starter Pokemon: SQUIRTLE
daily five-letter game: WORDLE
logician: GODEL
radical: AWESOME
programming language creator van ____: ROSSUM
marsupial: POSSUM
sculpt: CHISEL
fail to come to fruition: FIZZLE
delicious sound when cooking: SIZZLE

The answer is JACK.