Here is a (non-exhaustive) list of English words from Arabic origin.

Partial list below:
admiral - ami:r-al-bahr 'ruler of the seas' (and other similar expressions) - amara command
adobe - al-toba 'the brick'
albacore - al-bukr 'the young camel'
alchemy - al-ki:mi:a: - from Greek
alcohol - al-koh''l 'the kohl'
alcove - al-qobbah 'vault' - qubba vault
alembic - al-ambi:q 'the still' - from Greek
alfalfa - alfas,fas,ah 'fodder'
algebra - al-jebr 'reintegration' - jabara reunite
Algol - al-ghu:l 'the ghoul'
algorithm - al-Khowarazmi 'the (man) of Khiva'
alkali - al-qaliy 'calx' - qalay fry, roast
Allah - `allah, from contraction of al-ilah 'the god'
Almagest - al-majisti - from Greek
almanac - (Andalucian Arabic) al-mana:kh, of uncertain origin
amber - `anbar 'ambergris'
antimony - al-íthmid 'antimony trisulphide' - perhaps from Greek
apricot - al-burquq - from Greek
Arab - `arab
arsenal - dar as,s,ina`ah 'house of making', i.e. 'factory' - s,ana`a make
artichoke - al-kharshu:f
assagai - az-zaghayah - from Berber
assassin - h'ashsha:shi:n 'hashish eaters', from the Isma`ili sectarians
attar - `itr 'aroma'
ayatollah - 'ayatu-llah 'miraculous sign of God'
azimuth - as-sumut 'the paths'; see also zenith
azure - al-lazward 'lapis lazuli' - from Persian