What words start with the letter H?

Answer 1

Hat, hate, have, high, higher, hats, hates, huge, hug, hugs, ham, hams, hale, hope, hop, hot, hott, hotter, hawk, hawks, hog, how, hole, hard, heart, harm, has, his, her, he, heck, hell.
Haglet

Horn

Honor

Home

House

Hen

Hand

h-dna

H-Y antigen

habitability

habitat

habituation

haemoglobin (hb)

haemophilia

hair cells

hairpin

hairpin-mediated polymerase slippage model

half-chromatid conversion

half-life

hallucinosis

halogen

haloperoxidase

halophile

halophilic

halotolerant

hamstring

haplo-

haplodiploidy

haploid

haploidization

haplotype

hapten

haptic

hapto-

haptoglobin

Harada-Mori culture

hard acid

hard base

Hardy-Weinberg equilibrium

harlequin chromosome

HAT medium

HCl

HD allele

head mesenchyme

healthy

heart rate

heat

heat of fusion

heat of reaction

heat of vaporization

heat shock factor 1 (HSF-1)

heat shock protein

heat shock response

helicase

heliopause

helix-turn-helix (HLH) protein

helix-turn-helix motif

Helminth

hematocrit

hematology

hematopoiesis

heme

hemerythrin

hemisphere

hemizygous

hemizygous gene

hemochromatosis

hemocyanin

hemoglobin

Hemolysis

Hemophilia

hemorrhage

Henderson-Hasselbalch equation

Hensen's node

heparin

hepat

hepatic

Hepatitis

Hepatitis B surface antigen (HBsAg)

hept-

Herbicide

herbivore

hereditary

heredity

heritability

heritability in the narrow sense

hermaphrodite

herpesvirus

hetero-multimeric enzyme

heterochromatin

heterochrony

heteroduplex

heteroduplex analysis

heteroduplex DNA

heteroduplex DNA model

heteroduplex mapping

heterogametic sex

heterogamy

heterogeneous nuclear RNA

heterogenous matter

heterokaryon

heterokaryon test

heteromorphic chromosomes

heteroplasmon

heteroplasmy

heterosis

heterothallic

heterotroph

heterozygosity

heterozygote

heterozygote advantage

heterozygous gene pair

hex-

hexadentate ligand

hexaploid

hexokinase

HGT

High density lipoprotein cholesterol (HDLC)

High frequency of recombination

HILIC

hindbrain

hinge point

hippocampus

Histidine

histocompatibility antigen

histocompatibility gene

histogram

histological

histology

histone

histone acetyltransferases

histone deacetylase (HDAC)

hnRNA

holandric trait

holoblastic cleavage

holoenzyme

home range

homeo-box

homeo-domain

homeodomain

homeologous chromosomes

homeosis

homeostasis

homeostatic

homeothermal

homeotic mutations (genes)

homing

homo-

Homocysteine

homogametic sex

homogeneity

homogeneous

homogenous matter

homolog

homologous

homologous chromosomes

homologous recombination

Homology

homology modelling

homomorphic chromosomes

homoplasmy

homoplasy

homothallic

homotrimer

homozygote

homozygous gene pair

horizontal gene transfer

hormone

hormone response element (HRE)

Horseradish Peroxidase

Host

host range

hot spot

HPLC

Hsp 90

Human artificial chromosome (HAC)

Human Genome Initiative

Human Genome Project (HGP)

Human growth hormone (HGH)

humectant

humerus

humidity

humoral

humoral immunity

huntingtin-associated protein-1 (HAP-1)

Huntington's disease

hyalin

hyaluronidase

hybrid

hybrid DNA

hybrid dysgenesis

hybrid plasmid

hybrid vigor

hybridization in situ

Hybridization Protection Assay (HPA)

hybridize

hybridoma

hydration shell

hydrocarbon

hydrogen

hydrogen bond

hydrogen bonding

hydrogen chloride

hydrogen peroxide

hydrogenase

hydrogenate

hydrolase

hydrology

hydrolysis

hydrolyze

hydron

hydronium ion

hydrophilic

hydrophilic interaction chromatography

Hydrophobic

hydrophobic effect

hydrophobic interaction

hydrostatic

hydroxyapatite

hydroxyl radical

hygiene

hyper-

hyperglycemia

hypermorph

hyperoxia

hyperplasia

hyperploid

Hyperpolarisation

hyperpolarization

hypertension

Hyperthyroidism

hypertonic solution

hypertrophy

hypervariable locus

hypervariable region

hyperventilation

hypha (plural hyphae)

hypo-

hypodermic syringe

Hypoglycemia

hypomorph

hypoploid

hypostatic gene

hypotension

Hypothalamus

hypothesis

Hypothyroidism

hypotonic solution

hypoventilation

Hypovolemia

hypsometry

Answer 2

heartfelt, healthy, humble, house, hearth, heat, half, hyena, home, hot, healing, half, her, him, he, hunt, hate, haste, have/has, hallelujah
hi, hello, hen, hit, hey, hark, heir, hare, hair, horn, hot, hoot, happy, hilarious, hefty, heck, hard.
There are only 6,498 words that begin with a 'h' in the Scrabble dictionary. Here are 100 of the more common ones:

ha

haberdasher

haberdashery

habit

habitability

habitable

habitat

habitation

habitual

habitually

habituate

habituation

habitue

hacienda

hack

hacker

hackle

hackles

hackney

hackneyed

hacksaw

had

haddock

hadn't

haft

hag

haggard

haggle

haggler

hah

haiku

hail

hailstone

hailstorm

hair

hairbreadth

hairbrush

haircut

hairdo

hairdresser

hairdressing

hairiness

hairless

hairline

hairpiece

hairpin

hairsbreadth

hairsplitting

hairstyle

hairstylist

hairy

hake

halberd

halcyon

hale

half

halfback

halfhearted

halfheartedly

halfheartedness

halfpenny

halftime

halfway

halibut

halitosis

hall

hallelujah

hallmark

hallow

hallowed

hallucinate

hallucination

hallucinatory

hallucinogen

hallucinogenic

hallway

halo

halogen

halt

halter

halting

haltingly

halve

halves

halyard

ham

hamburger

hamlet

hammer

hammock

hamper

hamster

hamstring

hamstrung

hand

handbag

handball

handbill

handbook

handcart

Answer 3

· handy

· hapless

· happy

· harsh

· hateful

· helpful

· helpless

· hilarious

· honest

· honorable

· humble

· humorous

Answer 4

Hawk, Heron, Hill, Halter, Hag, Habit, Hobbit, etc.

Answer 5

Head, hut, hurt, hit, happy, and half.