7-Letter words
OO sounds
Tails of the South Pacific
Hot Dog
100

A kid learning to walk, or the size of clothing that the child may wear

toddler

100

A female with dark brown hair

brunette

100

It's Fiji's only native mammal; one species, the monkey-faced, roosts only in the trees of Taveuni Island

a bat

100

This Germany city usually gets the credit for originating the hot dog in the 1480s

Frankfurt

200

This word can precede proof, stripping or bureau

weather

200

The late guitarist B.B. King was called the king of this musical genre

blues

200

A bird called the megapode is distinctive in doing this to eggs not with body heat but using solar or geothermal energy

keeping them warm, hatching or incubating them

200

In 1929's "The Karnival Kid", "Hot dogs!" were the first words ever uttered onscreen by this rodent

Mickey Mouse

300

As a noun, it can be a heroic act or deed; as a verb, it means to take unfair advantage of someone

exploit

300

A plaintiff, or a man who courts a woman

suitor

300

Scientists believe the songs of this genus Megaptera whale, which change from year to year, are part of a mating ritual

humpback whale

300

Pick up a hot dog in Chicago & the locals will be adamant about "absolutely, positively, no" this condiment!

Ketchup

400

From the Latin for "split", it's a long narrow crevice made by the splitting of a rock or the earth

fissure

400

This closed 2-door auto is shorter than a sedan of the same model

coupe

400

The saltwater this, the largest living reptile, can bodysurf currents, which is why it's found on South Pacific isles

the crocodile

500

It's the 7-letter word for the underground reservoir

cistern

500

From the French for "I commend you to God", it means farewell

adieu

500

New Caledonia is home to the largest type of this lizard; its sticky feet allow it to climb almost any surface

a gecko

500

FDR served hot dogs to this British king & his queen

King George VI