13-letter words containing a, m, o, r, i, s
- trichromatism — the quality or condition of being trichromatic.
- uncustomarily — according to or depending on custom; usual; habitual.
- wearisomeness — causing weariness; fatiguing: a difficult and wearisome march.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts
- xanthochroism — a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear
- zoosporangium — a sporangium or spore case in which zoospores are produced.