“ZOOIDAL” is a valid word. — 17 points Scrabble

diazorelating to or containing diazonium
azidorelating to or containing the azido group N3
zooidone of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan

laidset down according to a plan:"a carefully laid table with places set for four people"
loadweight to be borne or conveyed
dialthe face of a timepiece; graduated to show the hours
idola material effigy that is worshipped
lidoa recreational facility including a swimming pool for water sports
olio
diolany of a class of alcohols having 2 hydroxyl groups in each molecule

oldpast times (especially in the phrase `in days of old')
oila slippery or viscous liquid or liquefiable substance not miscible with water
lada boy or man
aida resource
zoothe facility where wild animals are housed for exhibition
lideither of two folds of skin that can be moved to cover or open the eye
looa toilet in Britain
adoa rapid active commotion
dala metric unit of volume or capacity equal to 10 liters
dola unit of pain intensity
ailaromatic bulb used as seasoning
zoa
adzan edge tool used to cut and shape wood
azorelating to or containing the azo radical

doan uproarious party
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
ida state in the Rocky Mountains
ada public promotion of some product or service
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
lo
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
oda doctor's degree in optometry
za

ZOOIDAL