- What is: Xylose (sugar alcohol)
- What is: Xerophytic plants (drought-resistant)
- What is: Xum (fruit juice)
- What is: Xorbe (type of stew)
- What is: Xalapa rice
- What is: Xocoatl (chocolate drink)
- What is: Xilacayote (Mexican squash)
- What is: Xperiments (culinary experiments)
- What is: Xonotli (edible cactus)
- What is: Xacuti masala (spice blend)
- What is: Xato (Catalan salad)
- What is: Xanthum (thickening agent)
- What is: Xanthosoma (edible tuber)
- What is: Xuça (Brazilian fruit)
- What is: Xo sauce (spicy condiment)
- What is: Xérès (Sherry wine)
- What is: Xiaolongbao (soup dumplings)
- What is: Xalapa (style of coffee)
- What is: Xouba (small sardines)
- What is: Xtra virgin olive oil
- What is: Xiangcaojing (vanilla extract)
- What is: Xhosa cuisine (South African)
- What is: Xtreme sports nutrition
- What is: Xavignon (grapes)
- What is: Xtreme (energy drinks)
- What is: Xnipec (Yucatecan salsa)
- What is: Xantham gum (thickening agent)
- What is: Xylitol (sugar substitute)
- What is: Xacuti (Goan curry)
- What is: Xenograft
- What is: Xanthopsia (Color Vision)
- What is: Xanthine Oxidase
- What is: X-Reflexes
- What is: X-Linked Severe Combined Immunodeficiency (X-SCID)
- What is: Xiphoid (Cartilage)
- What is: X-Rays in Medicine
- What is: Xenogeneic Immunity
- What is: Xylem (in Plants)
- What is: X-linked Muscular Dystrophy
- What is: Xylophone Effect (in Sound)
- What is: X-tra Emotional Support
- What is: X-emplary Leadership
- What is: X-tra Mindfulness
- What is: Xylograph (Emotionally Expressive Art)
- What is: X-ray Vision (Metaphorical)
- What is: X-factor in Team Dynamics
- What is: Xenos (Stranger Awareness)
- What is: X-chromosome Influence on Behavior
- What is: Xenodochial Attitude (Welcoming)
- What is: Xylem (Support Structures)
- What is: Xylophone Communication (Melodic)
- What is: X-factor Traits in Relationships
- What is: X-traordinary Empathy
- What is: X-treme Self-Care
- What is: Xerography (Reproducing Ideas)
- What is: Xylography (Art of Communication)
- What is: X-factor in Leadership
- What is: Xanthe (Positive Outlook)
- What is: Xenoglossy (Communicating Across Cultures)
- What is: Xeno-empathy (Understanding Others)
- What is: X-treme Emotional Responses
- What is: X-axis of Emotional Awareness (Modeling)
- What is: X-ray of Emotions (Deep Analysis)
- What is: Xenoestrogens (Emotional Effects)
- What is: Xerophytic Coping Strategies
- What is: Xenial Relationships
- What is: X-Rate of Emotional Growth
- What is: X-Factor (Emotional Intelligence)
- What is: Xenophobia (Emotional Impact)
- What is: X-chromosome Anomaly
- What is: Xenon (Noble Gas in Medicine)
- What is: Xylopia (Plant)
- What is: Xenohormesis
- What is: X-linked Inheritance
- What is: X-factor in Nutrition
- What is: X-Treme Sports and Health
- What is: Xylophage (Wood-Eating Organism)
- What is: X-chromosome Inactivation
- What is: Xenoestrogenic Activity
- What is: X-ray Diffraction in Research
- What is: Xenophobia in Health Context
- What is: Xyloglucan (Dietary Fiber)
- What is: X-Phenomenon (Holistic Healing)
- What is: Xtreme Wellness Programs
- What is: Xenogenetics
- What is: Xanthones (Plant Compounds)
- What is: X-rays in Dentistry
- What is: Xylitol (Sweetener)
- What is: Xylooligosaccharides
- What is: X-Linked Disorders
- What is: Xeriscaping (Water-Conserving Landscaping)
- What is: X-rays in Health
- What is: Xanthos (yellow fruit or citrus)
- What is: Xiāngguo (Citrus variety)
- What is: Xilam (indigenous fruit)
- What is: Xilong (a variety of lychee)
- What is: Xian (an edible plant treated as a fruit)
- What is: Xylaria (fungus with edible fruiting bodies)
- What is: Xiphias (Swordfish, considered a fruit in culinary contexts)
- What is: Xigua (another term for watermelon in some cultures)
- What is: Xylocarpus granatum (Mangrove tree with fruit)
- What is: Xenophora (edible sea snail with fruit-like characteristics)
- What is: Xanthe (yellow fruit variety)
- What is: Xarey (a variety of fruit)
- What is: Xestospongia (a type of marine sponge with edible fruit)
- What is: Xinyan (Sweet Orange variety)
- What is: Xalapa (local fruit variety)
- What is: Xanthorrhoea (Grass Tree, edible flower/fruit)
- What is: Xining (Chinese Pear)
- What is: Ximenia americana (Sour Plum)
- What is: Xenia (Fruit of the Citrus)
- What is: Xanthosoma (Tannia, a starchy root often treated as a fruit)
- What is: Xacra (Chilean fruit)
- What is: Xiangjiao (fragrant banana)
- What is: Xacate (fruit of the Calabash tree)
- What is: Xerophyte Fruit (fruit from drought-resistant plants)
- What is: Xanthium (Cocklebur, edible when young)
- What is: Xuão (Guava variety)
- What is: Xylocarp (a hard-shelled fruit)
- What is: Xoconostle (Sour Prickly Pear)