9-letter words that end in id
- syphiloid — resembling syphilis.
- tail skid — a runner under the tail of an airplane.
- tellinoid — relating to a tellin
- terpenoid — a class of chemical compounds including all terpenes
- thanatoid — resembling or like death
- therapsid — any of various groups of mammallike reptiles of the extinct order Therapsida, inhabiting all continents from mid-Permian to late Triassic times, some of which were probably warm-blooded and directly ancestral to mammals.
- theridiid — a spider of the family Theridiidae, comprising the comb-footed spiders.
- thio acid — an acid in which part or all of the oxygen has been replaced by sulfur.
- thylakoid — a flattened sac or vesicle lined with a pigmented membrane that is the site of photosynthesis, in plants and algae occurring in interconnected stacks constituting a granum of the chloroplast, and in other photosynthesizing organisms occurring either singly or as part of the cell membrane or other structure.
- tortricid — Also called tortrix [tawr-triks] /ˈtɔr trɪks/ (Show IPA). any of numerous moths of the family Tortricidae, comprising the leaf rollers, having broad, squarish, slightly fringed wings.
- trapezoid — Geometry. a quadrilateral plane figure having two parallel and two nonparallel sides. British. trapezium (def 1b).
- trematoid — relating to a trematode
- tricuspid — Also, tricuspidal. having three cusps or points, as a tooth. Compare bicuspid.
- trihybrid — a hybrid that differs from its parents in three genetic traits
- tubificid — a threadlike aquatic annelid worm of the family Tubificidae
- underlaid — placed or laid underneath, as a foundation or substratum.
- underpaid — to pay less than is deserved or usual.
- unicuspid — having but one cusp.
- urban aid — aid or relief for urban areas
- uric acid — Biochemistry. a compound, C 5 H 4 N 4 O 3 , present in mammalian urine in small amounts, and the principal nitrogenous component of the excrement of reptiles and birds, that in the form of its salts occurs in the joints in gout and as the major constituent of kidney stones.
- varioloid — resembling smallpox.
- well-paid — a simple past tense and past participle of pay1 .
- whizz-kid — If you refer to a young person as a whizz-kid, you mean that they have achieved success at a young age because they are very clever and very good at something, especially making money.
- wing skid — a skid attached to the wing tip of an airplane to prevent it from touching the ground.
- wonderkid — a young person whose excellence in his or her discipline is appropriate to someone older and more experienced