Guess the Word

H _ _ _ O T I _

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN

HOTELIER

H _ _ _ O T I _

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN
HOTELIER

HIGHWAYS

H _ _ _ O T I _

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN
HOTELIER
HIGHWAYS

HUGUENOT

H _ _ _ O T I _

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN
HOTELIER
HIGHWAYS
HUGUENOT

HYERDAHL

H Y _ _ O T I _

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN
HOTELIER
HIGHWAYS
HUGUENOT
HYERDAHL

HYPNOTIC

H Y P N O T I C

ARROGANT
DJIBOUTI
BANDAIDS
CATELYNN
EDGEWISE
FASTENER
XENOMAST
ONOMASTS
GRABBAGS
HARKNESS
HOLOGRAM
HAVARTIS
HEGEMONY
HAWAIIAN
HOTELIER
HIGHWAYS
HUGUENOT
HYERDAHL
HYPNOTIC

Congrats EH, you got it. :)

Thanks - good one, CIAS! Trying to figure out what vowel would follow the initial H is what led me to the solution.

Our next word has seven letters:

_ _ _ _ _ _ _

RAINBOW

_ _ _ _ _ _ _

RAINBOW

JERICHO

_ E R _ _ _ _

RAINBOW
JERICHO

_ E R _ _ _ _

RAINBOW
JERICHO
MERMAID

_ E R _ _ I _

RAINBOW
JERICHO
MERMAID

GHERKIN

_ E R _ _ I _

RAINBOW
JERICHO
MERMAID
GHERKIN

SERPENT

S E R _ _ I _

RAINBOW
JERICHO
MERMAID
GHERKIN
SERPENT

SERVILE

S E R _ _ I _

RAINBOW
JERICHO
MERMAID
GHERKIN
SERPENT
SERVILE

SEABASS

S E R _ _ I S

RAINBOW
JERICHO
MERMAID
GHERKIN
SERPENT
SERVILE
SEABASS

SERAPIS

S E R A P I S

RAINBOW
JERICHO
MERMAID
GHERKIN
SERPENT
SERVILE
SEABASS
SERAPIS

That didn't take you long. Well done, CIAS!

https://en.wikipedia.org/wiki/Serapis
And the word's best-known modern usage: https://en.wikipedia.org/wiki/HMS_Serapis_(1779)

Lucky guesses previous to that I'm amazed I got it that quickly.

_ _ _ _ _ _ _ _ (8 letters for the next one)

ADELPHIA

_ _ _ _ _ _ _ _

ADELPHIA

BILLFOLD

_ _ L _ _ _ _ _

ADELPHIA
BILLFOLD

CATAPULT

_ _ L A _ _ _ _

ADELPHIA
BILLFOLD
CATAPULT

DEADWOOD

_ _ L A _ _ _ _

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD

EDGEWISE

_ _ L A _ I _ E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE

MOLASSES

_ _ L A _ I _ E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE
MOLASSES

Welcome back, spitz!

FRAMEUPS

_ _ L A _ I _ E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE
MOLASSES
FRAMEUPS

GLOWWORM

G E L A _ I _ E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE
MOLASSES
FRAMEUPS
GLOWWORM

Sorry - missed one.

GELATICE

G E L A T I _ E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE
MOLASSES
FRAMEUPS
GLOWWORM
GELATICE

Oh, so close...

GELATINE

G E L A T I N E

ADELPHIA
BILLFOLD
CATAPULT
DEADWOOD
EDGEWISE
MOLASSES
FRAMEUPS
GLOWWORM
GELATICE
GELATINE

Nice one EH. Over to you.

Thanks. Dunno why I didn't see that before posting "GELATICE."

Seven letters:

_ _ _ _ _ _ _