level

library

lie v.

lifeboat

lift

light adj. n. v.

lightness

lightning

like

likely

liking

limb

line

linguist

link

lip-reading

liquid

list

listen

living

living things

load v. n.

loan

local

locate

lock

look at

look for

look like

look up

look upon with

loose adj.

lorry

lose, loser

loudly

loudspeaker

low

lucky

luggage

lung

machine

magazine

main , mainly

major

make a journey

make a mistake

make a request

make an effort

make calculations

make decision

make up

make use of

Malaysian

manage , manager

manipulate

mankind

man-made

manner

manufacture

map

Marathon

mark v. n.

marketable

married

Mars

martial

mascara

mass

master n.

match v. n.

material

math , mathematical , mathematically , mathematics

matter

mattress

maybe

mean  v. , meaning , meaningful

means n. 

measure

mechanical

medal

meddle

medical , medicine

meet , meeting

meet the needs

mental

mention

merchant

Mercury

metal

method

mice

microscopic

middle

midnight

might

migrate , migration

mile

mind

mine , mineral

minute

mislead

mistake , mistaken

mixture

modern

moment

monkey

moon

more

more than

Moslem

Most , mostly

motivate

motor-car

mountain , mountaineering

mouse

moustaches

move , movement

move about

move in

movies

mud , muddy

multiply

muscle

museum

mysterious

name v.

narrow

nation , national

natural , nature

near , nearly

nearby

necessary , necessity 

neck

need n. v.

needle

negative

neither

neither ...  nor

nerve , nervous , nervousness

nervous system

news

next

nicotine

no longer

none

non-English

nonfiction

non-industrialized

nonsense

nonsmoker

north , northern

nothing

notice v. n.

novel

now and then

nowadays

nuclear

number  

numerous

oar

object

objective

observation , observatory  , observe

obtain

obviously

occasionally

occur , occurrence

ocean

ocean liner

of course

of great value

offer v. n.

office hours

official , officials

often

oil

oil-field

OK

on and on

on board

on guard

on purpose

on the other hand

once

one

only

opening

operate , operation

opinion

optimist , optimistic

oral

orbit

order , arrangement , orderly

order v.

ordinary

organ  , organize

origin , original

others

ought to

outcome

outdoor

outer

output

outside

over

overpainting

own , owner

pack

pad

page

pain , painfully

paint  , painting

pair

paperback

papers

paragraph

parcel

parent

parentheses

part  , partly

participate

particle

particular

party

pass , passage , passenger

passion

past

path

patient n.

pattern

pay , payment

pay for

payroll

per

percentage

perfect 

perform

perhaps

period

person , personal , personality

persuade

photograph v.

physical , physics

pick

picture

piece

pill

pilot

pipe

place second

place v.

plain

plan n. v.

plane

planet

plant

plastic

play , player

play a role

please , pleasing , pleasure

plentiful

Pluto

poem , poet

point to

pointed

poison , poisonous

polite , politely

politics

pollute

pool

poor

popular , populate , populated , population  ,populous

pork

port

position

positive

possession , possessor

possible , possibly

pound

pour

poverty

powder

power , powerful

power cut

power station

practical

precisely

predict , prediction 

prefer

preparation , prepare

present adj. n.

president

press , pressure

press letters on

prevent

price

primary

print

private

prize

probable , probably

problem

process

produce , product

profession , professor

profit  , profitable

program n. v.

progress

project

promise  , promising

proper , properly

property

prosper

prove

provide

psychiatrist

psychologist

public

publish , publisher

puddle

pull

punish , punishment

pupil

purpose

pursue , pursuit

push

put

put a match

put off

put on

put the second

put to death

put together

quality

quantity

quarrel

quarter v.

queen

queue

quick , quickly

quiet , quietly

quite

race

radiant , radiation

radioactivity

radium

railway

rainfall

raise

rapidly

rarely

rate

rather than

ray

reach v. n.

reading materials

ready

real , realize , reality  , really

reason , reasonable , reasonably

receive

recent  , recently

reception

record n. v.

reduce

refer

reflect

reform

refuse

regard

region , regional

regular , regularly

relax

reliable , rely

religion , religious

remain , remaining

re-make

remark n.

remember

renew

repair n.

replace

reply

report v. n.

represent

republican

request

require

research , researcher

reserve

respect

responsible

rest v.

restaurant

restore

result

result from

result in

return

revise

revolution

rich

ride v.

right

ring n.

rise

risk

river

road

rock

rock face

rocket

rod

rodent

role

roof

rope

rough

round adj. prep.

rowing

rubber

rude

rule

run , runner